A man running a hand back through his hair in a sunlit doorway

Hair · finasteride + minoxidil · prescription telehealth

Treat the cause and the supply, in one dose a day.

finasteride with oral minoxidil · biotin, vitamin D3 and K2 · one dose a day · prescription only

For male pattern hair loss. Two prescription medicines that work by different routes — finasteride lowers the hormone shrinking your follicles, oral minoxidil improves the supply that feeds them — compounded into one daily dose, with biotin, vitamin D3 and K2 alongside. 2 12 14 It is judged over months, it works for as long as it is taken, and a licensed clinician decides whether it is right for you — side effects weighed first, not after.

About eight minutes online. A licensed clinician reads every answer — and can say no.

Care

a licensed clinician decides — and can say no

Time

judged over months, not weeks — one dose a day, for as long as you want the result

Discretion

plain box · nothing named on the outside

About Finasteride

What this combination does, and what to expect.


What it does

Male pattern hair loss runs on a hormone. In men who carry the pattern, follicles at the crown and the top of the head respond to DHT — a form of testosterone made in the follicle itself — by shrinking, cycle after cycle, until the hair they make is too fine to see. 2 12 Finasteride blocks the enzyme that makes DHT, so the level of it in the scalp and the blood falls and the shrinking loses its driver. 2 Minoxidil works on the other side of the problem: it widens the small vessels that feed the follicle and lengthens the growing phase of the hair cycle, which is why it is used for thinning that DHT alone does not explain. 12 16 Taken by mouth rather than rubbed in, it reaches every follicle at once with nothing to apply. 15 16 In the comparative evidence, combining a DHT blocker with minoxidil outperformed either on its own. 14 Neither can revive a follicle that has already stopped producing, which is why the professional advice is to start while hair is thinning rather than gone. 11

How it's taken

One dose, once a day, by mouth, at whatever time you will remember. Nothing to time and nothing to apply. The strengths are fixed by the pharmacy's formula; what your clinician decides is whether this combination is appropriate for you — your blood pressure and heart history matter here, because minoxidil was first made as a blood-pressure medicine 17 — and, at follow-up, whether it is worth continuing. A woman who is or may become pregnant must not handle a broken or opened dose, because of the finasteride in it. 7

What to expect

Shedding does not stop overnight. Finasteride's prescribing information says daily use for three months or more is generally needed before a benefit shows, and dermatologists tell men to expect around four months before they notice anything; minoxidil works on a similar timetable, and a brief increase in shedding in the first weeks is common as follicles reset. 1 10 16 In the finasteride trials, hair counts rose over the first year and most men on treatment kept their count above where they started for years, while most men on placebo kept losing hair. 9 Stop either medicine, and its benefit reverses within about a year. 1 10 The side effects of each are set out in full further down this page. 3 15

How the response is judged

One formula. What moves is the decision to continue.

There is no dose to step up — the combination is one dose a day from the first day. What your clinician calibrates is whether it is working for you, and whether you are tolerating it, on a timetable set by how hair actually grows. 1 16


01

The first weeks

Nothing visible yet — and possibly a little more shedding, which is the follicles resetting rather than the treatment failing. 16 DHT falls within a day of the first dose 2, but a follicle runs on a cycle measured in months, so the medicine is working before the mirror shows it. Take a photo of the crown in the same light — it is the only honest baseline you will have. This is also when minoxidil's early effects show if they are going to: a little ankle puffiness, a lightheaded moment on standing, or a faster heartbeat. Tell your clinician if you notice any of them. 15

02

Around three months

The earliest point at which finasteride's prescribing information expects a benefit to show. 1 In the trials, men and their investigators were already rating improvement by this point. 9

03

Six months to a year

Where the first real judgement is made. Hair counts in the trials rose through the first year 9 14; your clinician compares your photos and your account of the shedding, checks how you are tolerating the minoxidil, and decides with you whether to continue or stop.

04

Every year after

The result lasts as long as the dose does. 1 10 A yearly check-in covers how your hair is holding, how you feel on it and — if you are of the age for prostate screening — a note to whoever runs your PSA test, because finasteride lowers the number. 7

If a year of daily doses shows nothing, that is information too: your clinician will say so and talk through what else is worth trying — not renew you on autopilot.

The other routes

What you may have tried, and why it stalls.

Most men arrive here having tried something first. Here is what each route can and can't do — plainly, without pretending the alternatives don't exist.

What you have tried

Why it stalls

What calibrated care does

What you have tried

Minoxidil foam or liquid on its own

Why it stalls

A reasonable first step, and it can help: it takes six months to a year to show, and the benefit goes when you stop applying it. 10 It has to be worked into the scalp twice a day, it only reaches where you put it, and it does nothing about the hormone that is shrinking the follicle 12 — so the pattern keeps advancing underneath.

What calibrated care does

Minoxidil taken by mouth, once a day, reaching every follicle 15 16 — compounded with finasteride, which acts on DHT, the signal behind the pattern. 2 In the comparative evidence the two together beat either alone. 14 Prescribed after a clinician has read your history, including your blood pressure.

What you have tried

Finasteride on its own

Why it stalls

It works, and it is the better-studied of the two — a dozen randomized trials in thousands of men. 13 But it only acts on DHT. Hair that is thinning for other reasons, or follicles that need more than a lower hormone level to recover, are left where they are. 12

What calibrated care does

The same finasteride, plus minoxidil working on the supply side — one dose instead of a tablet and a twice-daily foam. If your clinician judges that finasteride alone is the better fit for you, that is what they will say.

What you have tried

Shampoos, serums and supplements

Why it stalls

They can keep a scalp clean and a diet complete, and that is the extent of it. Dermatologists advise biotin, iron or zinc only when a blood test shows you are short of it 10, and no shampoo carries the evidence behind either of the medicines here. 13 16

What calibrated care does

Evidence you can read: the mechanisms, the trials and the side effects are on this page with their sources, and the medicine is dispensed by a licensed U.S. pharmacy named on your label. The biotin, D3 and K2 in this formula are supporting nutrients — included for men who are short of them, not a substitute for the two medicines. 18

What you have tried

The website that asks no questions, or a friend's tablets

Why it stalls

Sold without a prescription, from a seller you can't check, with no one reading your history and nothing on the label you can verify. A friend's tablets were prescribed for a different man, a different medicine list, a different blood pressure and different plans for children.

What calibrated care does

Every order here starts with an intake a licensed clinician reads. If this combination isn't right for you — or the timing isn't — you'll be told; that is what the consult is for.

What you have tried

A laser cap, PRP or a transplant

Why it stalls

Real options with real limits. Not everyone who uses a laser device sees regrowth, platelet-rich plasma needs repeat injections, and a transplant moves hair rather than protecting it. 10

What calibrated care does

A daily dose that works on the cause and the supply for as long as it is taken 1 16 — on its own, or alongside those if a specialist recommends it. If you'd be better served in person, you'll be told that too.

What you have tried

Waiting to see how bad it gets

Why it stalls

Hereditary hair loss is progressive: without treatment the loss continues, and the earlier treatment starts, the better it works. 11 12 In the trials, most men on placebo had lost more hair within a year 9 — and a follicle that has stopped producing is no longer there to treat. 11

What calibrated care does

An honest read of where you are now, from a clinician who can say whether this combination is the right answer or your own doctor is — and a dose that starts working on the cause the day you start it. 2

Not one of those routes asks about your blood pressure, your mood, your plans for children or your prostate screening. The intake here does — because those are the things that decide whether this combination is right for you.

Patience is part of the prescription. So is telling you the truth about it.

A principle of the house

How care works

Medicine, measured.

Results are personal, so treatment shouldn't be one-size. Here is the whole process, plainly.


01

An intake worth reading

About eight minutes of real questions — where you are thinning and since when, your health history, your blood pressure and any heart condition, every medicine you take, your mood, whether you are planning children. It is the basis of every decision that follows.

02

A clinician decides

A licensed U.S. clinician reviews your answers and decides whether this combination is appropriate for you. Sometimes the answer is no, or finasteride on its own — you'll hear it straight.

03

Compounded and delivered

If prescribed, your medicine is prepared and dispensed by a licensed U.S. compounding pharmacy — named on your label — and shipped in plain, unmarked packaging.

04

Followed up, on hair's timetable

Check-ins at the points where a judgement can actually be made — weeks in for tolerance, months in for response, then yearly — with your clinician deciding with you whether to continue, and notice before anything about your plan changes.

An intake form and a fountain pen beside a plain shipping box, in morning light

Plans & pricing

Straight terms, before you pay.

Each plan includes the clinician evaluation, the prescription if appropriate, the pharmacy fill, shipping and follow-up. No visit fee, nothing billed on top — what you see here is what you're agreeing to.

fin 1 mg + minox 2.5 mg · monthly supply

Finasteride + Minoxidil

The same formula either way — the plans differ only in how often a supply ships and how often you're billed.

$45 / per month

renews at $45 per month · cancel anytime

  • Finasteride with oral minoxidil — one dose a day, prescription only
  • Two medicines, two routes: lowers DHT and improves the supply to the follicle
  • Biotin, vitamin D3 and K2 alongside, as supporting nutrients
  • Judged over months by your clinician, with notice before anything changes
  • Compounded for your prescription by a licensed U.S. pharmacy, named on your label
  • Plain, unmarked packaging · the whole price shown · cancel from your account
  • Compounded medications are not FDA-approved
fin 1 mg + minox 2.5 mg · 3-month supply

Finasteride + Minoxidil

The same formula either way — the plans differ only in how often a supply ships and how often you're billed.

$119 / every 3 months

renews at $119 every 3 months · cancel anytime

  • Finasteride with oral minoxidil — one dose a day, prescription only
  • Two medicines, two routes: lowers DHT and improves the supply to the follicle
  • Biotin, vitamin D3 and K2 alongside, as supporting nutrients
  • Judged over months by your clinician, with notice before anything changes
  • Compounded for your prescription by a licensed U.S. pharmacy, named on your label
  • Plain, unmarked packaging · the whole price shown · cancel from your account
  • Compounded medications are not FDA-approved

Eligibility

See if it's appropriate. That's the consult.

This combination is prescribed to adult men with male pattern hair loss when a licensed clinician confirms it is appropriate for them. The intake asks what a careful dermatologist would ask — and, because of the minoxidil, what a careful physician asks about your heart.

You may qualify if

  • You're an adult man aged 18 or over
  • Your hair is thinning at the crown or the top of the head — the pattern finasteride is studied in [1]
  • Your blood pressure is normal or well controlled, and you have no heart condition your clinician needs to weigh [15] [17]
  • You're prepared to take one dose every day and judge it over months, not weeks
  • A clinician confirms it fits your health history, your mood history and the medicines you take

May not be suitable if

  • You are a woman, or under 18 — finasteride is not for women or children [1]
  • You've had an allergic reaction to finasteride, minoxidil, or anything in the formula before [7] [17]
  • You have a heart condition, low blood pressure, or fluid around the heart — oral minoxidil is a vasodilator and is not prescribed in those circumstances [17]
  • Your hair loss is patchy, sudden or scarring, or your scalp is sore or scaly — that needs an in-person diagnosis, not this medicine [10]
  • Your main concern is a receding hairline at the temples — the evidence for finasteride there has not been established [1]

Safety & honesty

What it feels like, what to watch for, and what we won't promise.

Finasteride has been prescribed for hair loss for decades, and the arguments about its side effects are public. Oral minoxidil for hair is newer as a practice and prescribed off-label — it was approved as a blood-pressure medicine, and dermatologists use a fraction of that dose for hair. 15 16 17 Here is the record for both, without the small print — the common effects, the rare and disputed ones, and what to do about each.

Uncommon, usually early, usually easing

  • Extra hair where you didn't want it — the most common effect of oral minoxidil — on the face, arms or back; it fades after stopping, and it is the reason the dose for hair is kept low 15 16
  • Puffy ankles, or feeling lightheaded on standing — minoxidil widens blood vessels and can hold fluid; uncommon at hair-loss doses, and the reason your clinician asks about your blood pressure 15 17
  • A faster heartbeat — reported by a small minority on oral minoxidil; tell your clinician if you notice it 15
  • A drop in sex drive — from the finasteride — reported by a small minority of men in the first year of its trials, slightly more often than on placebo 3
  • Erection difficulty — likewise uncommon; it resolved in the men who stopped finasteride, and in most of those who carried on 3
  • Less ejaculate, or changed ejaculation — a small decrease in volume was measured in the finasteride trials; uncommon, and reversible 3
  • Breast tenderness or swelling — reported with finasteride; in its trials no more often than on placebo 3 4
  • Rash or itching — hypersensitivity reactions have been reported with both medicines 4 17

Stop, and tell your clinician

  • Chest pain, a racing or irregular heartbeat, or breathlessness — minoxidil at blood-pressure doses can cause fluid around the heart and strain it; these are rare at hair-loss doses but they are the signals that matter — stop and seek care 17
  • Swelling that does not settle — fluid retention from the minoxidil; stop and tell your clinician 15 17
  • Low mood, or thoughts of harming yourself — depression has been reported by men taking finasteride, and in its most recent safety update the FDA required the label to add suicidal ideation and behavior 4 5 6. Stop the dose and tell your clinician; if you feel unsafe, seek urgent help first.
  • Sexual side effects that don't lift after stopping — erection, libido, ejaculation and orgasm problems reported since finasteride's approval as continuing after it was stopped. The FDA notes that voluntary reports like these cannot establish how often they occur or whether the medicine caused them 4 5. Rare, disputed, and worth knowing before you start.
  • A lump, pain or discharge at the breast — report any breast change promptly; male breast cancer has been reported with finasteride, without an established link 4 7
  • Swelling of the lips, tongue, throat or face — a hypersensitivity reaction; stop and seek care 4 17

Not prescribed if

  • You are a woman or under 18 — finasteride is for men only, and is contraindicated in pregnancy 1 7
  • You have a heart condition, low blood pressure or fluid around the heart — oral minoxidil is a vasodilator 17
  • You've had an allergic reaction to finasteride, minoxidil, or anything in the formula before 7 17
  • Your hair loss is patchy, sudden or scarring, or your scalp is sore — that needs an in-person diagnosis first 10

Medicines and conditions that need care

  • Blood-pressure medicines — oral minoxidil lowers blood pressure too; taken with other medicines that do the same, the effect adds up. List every one you take — your clinician decides whether the combination is safe for you, and may choose finasteride alone instead 17
  • Other medicines — no drug interactions of clinical importance have been identified for finasteride 8; list everything you take anyway, and your clinician checks each one against both medicines
  • Liver problems — finasteride is broken down by the liver, so a liver condition means caution, and possibly a no 8
  • Kidney problems — minoxidil is cleared by the kidneys; reduced kidney function means caution 17
  • A history of depression — not an automatic no, but your clinician will weigh it with you and ask how you are at every check-in 4
  • Prostate screening — finasteride lowers PSA (by roughly half at the higher strength used for the prostate), so whoever reads your PSA needs to know you take it 7

What your clinician keeps an eye on

Four things. How your hair is responding, judged at the points where a judgement is possible. How you are tolerating the minoxidil — ankle swelling, lightheadedness, heart rate — asked early and plainly, because that is when it shows. 15 How you feel on the finasteride — mood and sexual function, asked at every check-in. And, for men of screening age, your PSA: tell whoever orders the test that you take finasteride, because the result reads lower on it, and any confirmed rise from your lowest value should be looked at even if the number still looks normal. 7

What it is for, and what it isn't

This combination treats male pattern hair loss at the crown and the top of the head. Finasteride's effect on a receding hairline at the temples has not been established 1, neither medicine will revive follicles that have already stopped producing 11, and it is not for hair loss with another cause — that needs a diagnosis first. The biotin, vitamin D3 and K2 in the formula are supporting nutrients; the evidence for them in hair loss is limited to men who are deficient, and the page does not claim more. 10 18

If you stop

Nothing to taper. DHT returns to its old level, the follicles lose the extra supply, the pattern picks up where it left off, and the hair gained is lost again within about a year. 1 9 10 That is the honest deal with this medicine: it works for as long as it is taken.

Results vary. No outcome is guaranteed — your clinician will discuss what is realistic for you.

What happens next

From the intake to the first dose.

No waiting room, no counter. Here is the path, step by step, and what shows up at your door.


01

Today: the intake

About eight minutes. Where you are thinning and since when, your health history, your blood pressure and heart history, your medicines, your mood, your plans for children. Every question is there because it changes whether this combination is right for you.

02

A clinician reviews

A licensed U.S. clinician reads your answers and decides whether this combination is appropriate for you. You'll hear by email either way — including if the answer is no, if finasteride alone is the better fit, or if you'd be better seen in person.

03

Compounded by a licensed U.S. pharmacy

If prescribed, your prescription goes to a licensed U.S. compounding pharmacy — the one that prepares it is named on your label. Nothing is made or handled by us.

04

Delivered, unmarked

Your medicine arrives in plain packaging with nothing on the outside — no medication named, no clinic named.

05

The first months

One dose a day, every day. Take a baseline photo of the crown. Expect nothing visible for the first few months, and possibly a little extra shedding at first 1 16; your clinician checks in early on how you are tolerating it, then at the point where a judgement on your hair can be made, and refills ship on your plan with every price published.

What arrives

Outside

An unmarked box. No medication or clinic named.

Inside

The compounded combination in the pharmacy's own labelled container, with its leaflet. Keep each dose whole and out of reach of anyone who is or may become pregnant, because of the finasteride in it. 7

On the label

The pharmacy that prepared your prescription, your name, every ingredient and its strength, and how to take it.

Private

HIPAA-compliant platform · discreet, unmarked packaging

Clinician-led

licensed U.S. providers review every case

Your pharmacy

filled by a licensed U.S. pharmacy, named on your prescription label

Questions, answered plainly

Questions about finasteride

Why finasteride and minoxidil together?

Because they work on different sides of the same problem. Finasteride lowers DHT, the hormone that shrinks the follicle; minoxidil improves the blood supply to it and lengthens the growing phase of the hair cycle. 2 12 16 In a comparison across the published trials, combining a DHT blocker with minoxidil produced better hair-count results than either on its own. 14 For men who have already tried one of them and stalled, that is usually the reason.

Why minoxidil by mouth instead of the foam?

Reach and consistency. The foam or liquid only works where you put it, has to be applied twice a day, and many men stop because of that. Taken by mouth once a day, minoxidil reaches every follicle, and in a large multicenter study of men and women on low doses it was well tolerated by the great majority. 15 16 It is prescribed off-label for hair — minoxidil was approved as a blood-pressure medicine, and the dose used for hair is a small fraction of that — which is why your clinician asks about your heart and blood pressure before prescribing it. 17

How long before I see a difference?

Months. Finasteride's prescribing information says daily use for three months or more is generally needed before a benefit shows 1; dermatologists tell men to expect about four months before they notice anything 10; minoxidil is on a similar clock, and a brief increase in shedding in the first weeks is common and expected. 16 In the finasteride trials, hair counts were up at six months and a year, and improvement was still building into the second year 9. Judge it at a year, on photos taken in the same light — not on a bad hair day.

What happens if I stop?

The benefit reverses. Within about a year of stopping, hair returns to where it would have been untreated 1 10 — in the finasteride trials, men switched to placebo after a year had lost the gain a year later 9. There is nothing to taper and nothing that lingers; it simply stops working when you stop taking it.

What are the side effects of the minoxidil?

The common one is hair growing where you didn't ask for it — face, arms, back — which fades after stopping and is the reason the hair-loss dose is kept low. 15 16 Less commonly, because minoxidil widens blood vessels, some men notice puffy ankles, a lightheaded moment on standing, or a faster heartbeat, usually in the first weeks. 15 Rarely, and mainly at the much higher blood-pressure doses, it can cause fluid around the heart; that is why chest pain, breathlessness or a racing heartbeat mean stop and seek care. 17 Tell your clinician about any of these — swapping to finasteride alone is always an option.

What are the sexual side effects, and how common are they?

These come from the finasteride. The ones measured in its trials are a lower sex drive, difficulty with erections and changes to ejaculation. Each was reported by a small minority of men in the first year, a little more often than on placebo, and resolved in the men who stopped and in most of those who carried on 3. An independent review of a dozen randomized trials came to the same picture: a modest increase in erectile difficulty, and no more men quitting for sexual side effects than on placebo 13. Tell your clinician if anything changes — it is your call whether to continue.

I've read about side effects that don't go away. Is that real?

Reports exist, and they are on finasteride's label. Since approval, men have reported sexual problems that continued after they stopped it, and the label's wording on them has been strengthened more than once since, most recently at the FDA's direction 4 5 6. Because these come from voluntary reports, the FDA notes that neither how often they happen nor whether the medicine caused them can be established 4. Our position: it is rare, it is disputed, and you should know about it before you start rather than after. If anything changes for you, stop and tell your clinician.

Does it affect mood?

It can, for some men — this is a finasteride effect. Depression has been among its reported effects for years, and in its most recent safety update the FDA required the label to add suicidal ideation and behavior to the list 4 5 6. These are reports from use after approval, so how often they happen is not established 4. The intake asks about your mood history, your clinician asks again at each check-in, and if your mood drops on the medicine the answer is simple: stop, and tell us.

What do the biotin, vitamin D3 and K2 do?

Honestly: less than the two medicines. They are supporting nutrients that follicles use, and the evidence that supplementing them helps hair loss is limited to people who are deficient in them. 10 18 They are in the formula so that a man who is short of them is not treating the hormone and the supply while starving the follicle of something simple; they are not why this works, and the page does not claim they are.

Will it work on my hairline?

Honestly, that is not where the finasteride evidence is. It was studied on the crown and the top of the head, where hair counts rose; its effect on a receding hairline at the temples has not been established 1 9. Oral minoxidil is used across the scalp 16, but if the temples are your main concern, say so in the intake — your clinician will tell you straight what is realistic.

Does it affect prostate screening?

Yes, and it matters. Finasteride lowers PSA — by roughly half at the higher strength used for the prostate — so a normal-looking result can hide a rise 7. Tell whoever orders your PSA test that you take it; any confirmed increase from your lowest value should be checked even if the number is still within the normal range 7. The label also notes that in long trials of the higher strength in older men, a slightly higher rate of high-grade prostate cancer was seen; whether the drug caused it has not been established 7.

My partner is pregnant, or we're trying. Is that a problem?

Not for you taking it — but the medicine needs handling with care. Finasteride can harm the development of a male fetus, so a woman who is or may become pregnant must not handle a broken or opened dose 7. Keep each dose whole and out of her reach. If you are trying to conceive, say so in the intake: reports of reduced semen quality with finasteride, improving after stopping, are on its label 4, and your clinician will talk it through with you.

Monthly, or every three months?

The same formula either way. The monthly plan ships and bills each month — the easiest way to find out whether you'll keep it up and tolerate it. The three-month plan ships one supply and bills once a quarter, for men who already know they will take it every day. Both renew at the price shown until you cancel from your account before your next billing date.

What if I'm not approved?

Then you aren't charged for medication. Your card is authorized at checkout and charged only when a clinician prescribes; if the answer is no, the authorization is released and you're told why.

Can I take it with tadalafil or sildenafil?

Finasteride has no interaction of clinical importance with them 8. Minoxidil is the one to think about: it lowers blood pressure, and so do tadalafil and sildenafil, so the combination is a clinician's decision, not an automatic yes. 17 Each is a separate prescription with its own page in the treatments menu; tell your clinician everything you take, so the picture is whole.

How does the telemedicine process work?

You complete an online intake, a licensed provider reviews your case, and if appropriate your treatment plan is prescribed and delivered directly to your door.

Do I need to visit a doctor in person?

No. All consultations, prescriptions, and follow-ups are handled 100% online through our secure telehealth platform.

Are the doctors licensed?

Yes. Every provider in our network is licensed and experienced in evaluating patients through compliant telemedicine workflows.

Is my personal information secure?

Your information is protected through secure systems and privacy-first processes designed to support HIPAA-aligned care delivery.

How is my medication delivered?

Approved medications are shipped discreetly to your home, with updates and follow-up support handled online for convenience.

Sources

What this page is based on.

18 sources showhide

Facts about how finasteride and minoxidil work, what they feel like, who shouldn't take them and how long they take come from each medicine's prescribing information, the FDA's safety labeling record, dermatology guidance and the peer-reviewed studies and reviews behind them. This product is a compounded combination; each source below describes one of its components.

  1. Prescribing information for finasteride tablets (the reference product, NDA 020788), sections 1 and 2 — indication (vertex and anterior mid-scalp; efficacy in bitemporal recession not established; not for women or children), three months or more of daily use before benefit, and reversal of effect within twelve months of stopping. DailyMed, revised 2022. dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=6f904709-65aa-44ce-b144-b4c8a0416e36
  2. Prescribing information for finasteride, sections 12.1 and 12.2 — mechanism of action: competitive inhibition of Type II 5α-reductase; increased DHT and miniaturized follicles in balding scalp; reduction of scalp and serum DHT, with serum DHT falling within a day of a dose. FDA label via Drugs@FDA, July 2022. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  3. Prescribing information for finasteride, section 6.1, Table 1 — drug-related sexual adverse experiences in the first year of the placebo-controlled trials (decreased libido, erectile dysfunction, ejaculation disorder), resolution on discontinuation and in most who continued, ejaculate-volume findings, and breast tenderness no different from placebo. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  4. Prescribing information for finasteride, section 6.2, Postmarketing Experience — sexual dysfunction that continued after discontinuation; male infertility and poor seminal quality; testicular pain; hematospermia; male breast cancer; breast tenderness and enlargement; hypersensitivity reactions; depression, suicidal ideation and behavior — with the statement that frequency and causality cannot be established from voluntary reports. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  5. U.S. Food and Drug Administration, Drug Safety-related Labeling Changes for the reference finasteride tablet (NDA 020788) — the June 2021 and August 2022 entries: expanded reporting of sexual dysfunction that continued after discontinuation, and the addition of suicidal ideation and behavior to the Adverse Reactions and Patient Counseling sections. accessdata.fda.gov/scripts/cder/safetylabelingchanges/index.cfm?event=searchdetail.page&DrugNameID=2494
  6. U.S. Food and Drug Administration, supplement approval letter for NDA 020788/S-030, August 1, 2022 — the agency's May 31, 2022 safety labeling change order on suicidal ideation and behavior, additional sexual dysfunction and psychoneurocognitive adverse events. accessdata.fda.gov/drugsatfda_docs/appletter/2022/020788Orig1s030ltr.pdf
  7. Prescribing information for finasteride, sections 4, 5.1, 5.2 and 5.3 — contraindications (pregnancy, hypersensitivity); exposure of women to crushed or broken tablets; effects on PSA (a decrease of approximately half at the higher strength, and evaluation of any confirmed increase); the high-grade prostate cancer finding with 5α-reductase inhibitors at the higher strength. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  8. Prescribing information for finasteride, sections 7 and 8.6 — no drug interactions of clinical importance identified; concomitant use in trials with common medicine classes without clinically significant interactions; caution in patients with liver function abnormalities. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  9. Prescribing information for finasteride, section 14, Clinical Studies — hair-count increases at six and twelve months in men with vertex hair loss, improvement rated as early as three months, maintenance above baseline over five years, reversal of the gain within a year of switching to placebo, and continued loss in most men on placebo; the separate anterior mid-scalp study. accessdata.fda.gov/drugsatfda_docs/label/2022/020788s030lbl.pdf
  10. American Academy of Dermatology, "Hair loss: Diagnosis and treatment" — finasteride usually takes about four months to show, must be continued to keep the result and works best started early; minoxidil takes six to twelve months and its benefit is lost when stopped; supplements only where a blood test shows a deficiency; laser devices, platelet-rich plasma and hair transplants and their limits. aad.org/public/diseases/hair-loss/treatment/diagnosis-treat
  11. American Academy of Dermatology, "Hair loss: Who gets and causes" — hereditary hair loss as the most common cause worldwide; inherited genes shrink follicles until they stop growing hair; treatment can slow or stop the loss, works better the earlier it starts, and without it the loss continues. aad.org/public/diseases/hair-loss/causes/18-causes
  12. Ho CH, Sood T, Zito PM. Androgenetic Alopecia. StatPearls, NCBI Bookshelf, updated January 2024 — prevalence (about half of men by fifty), the role of DHT and type 2 5α-reductase in the follicle, follicular miniaturization, the vertex and frontotemporal pattern, the chronic and progressive course, and minoxidil's separate mechanism. ncbi.nlm.nih.gov/books/NBK430924/
  13. Mella JM, Perret MC, Manzotti M, Catalano HN, Guyatt G. Efficacy and safety of finasteride therapy for androgenetic alopecia: a systematic review. Archives of Dermatology. 2010;146(10):1141–1150 — twelve randomized trials, 3,927 men: improved hair counts and patient and investigator assessment, a moderate increase in erectile dysfunction, and discontinuation for sexual adverse effects similar to placebo. pubmed.ncbi.nlm.nih.gov/20956649/
  14. Gupta AK, Venkataraman M, Talukder M, Bamimore MA. Relative efficacy of minoxidil and the 5-α reductase inhibitors in androgenetic alopecia treatment of male patients: a network meta-analysis. JAMA Dermatology. 2022;158(3):266–274 — comparative hair-count outcomes for finasteride, dutasteride and oral and topical minoxidil, alone and in combination, at twenty-four and forty-eight weeks. pubmed.ncbi.nlm.nih.gov/35107565/
  15. Vañó-Galván S, Pirmez R, Hermosa-Gelbard A, et al. Safety of low-dose oral minoxidil for hair loss: A multicenter study of 1404 patients. Journal of the American Academy of Dermatology. 2021;84(6):1644–1651 — the largest safety series of low-dose oral minoxidil: hypertrichosis as the most frequent adverse effect, followed by lightheadedness, fluid retention and tachycardia; low rates of discontinuation. pubmed.ncbi.nlm.nih.gov/33639244/
  16. Randolph M, Tosti A. Oral minoxidil treatment for hair loss: A review of efficacy and safety. Journal of the American Academy of Dermatology. 2021;84(3):737–746 — mechanism (vasodilation and prolongation of the anagen phase), off-label use of low doses for androgenetic alopecia, the early shedding phase, efficacy across studies, and the adverse-effect profile. pubmed.ncbi.nlm.nih.gov/32622136/
  17. Prescribing information for minoxidil tablets (Loniten, NDA 018154) — the approved antihypertensive product: boxed warning on pericardial effusion progressing to tamponade and on exacerbation of angina; fluid and salt retention, tachycardia, hypertrichosis; contraindication in pheochromocytoma; caution in renal impairment; additive hypotensive effects with other antihypertensives. Drugs@FDA. accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=018154
  18. National Institutes of Health, Office of Dietary Supplements — Health Professional fact sheets for Biotin, Vitamin D and Vitamin K: dietary sources, deficiency states, and the limited evidence for supplementation in hair loss outside of deficiency. ods.od.nih.gov/factsheets/Biotin-HealthProfessional/

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