Description

Minoxidil 5mg + Dutasteride 0.5mg Tablets

Quick Answer — What Is This Combination Used For?

Minoxidil 5mg + Dutasteride 0.5mg is a once-daily oral combination treatment for male pattern hair loss (androgenetic alopecia), pairing a vasodilator (minoxidil) with a dual 5-alpha-reductase inhibitor (dutasteride) that suppresses DHT more completely than finasteride. Dutasteride is approved specifically for hair loss in South Korea, Japan, and Taiwan, but remains an off-label use in the US, UK, and most other markets, where it is officially approved only for benign prostatic hyperplasia (enlarged prostate). A network meta-analysis comparing minoxidil and 5-alpha-reductase inhibitor monotherapies found dutasteride 0.5mg/day to be the most effective single option for male pattern hair loss. This combination is for men only.

Product Information

How This Combination Works

Dutasteride blocks both type 1 and type 2 5-alpha-reductase enzymes, reducing serum DHT by around 92% compared to roughly 70% for finasteride, while minoxidil independently increases scalp blood flow and extends the hair growth (anagen) phase. Because dutasteride inhibits both enzyme types rather than just one, it achieves more complete DHT suppression than finasteride — which is the basis for evidence showing it as the single most effective monotherapy option, before even adding minoxidil’s separate growth-stimulating mechanism.

The Evidence

A network meta-analysis of current evidence found dutasteride 0.5mg/day to be the most effective option among all minoxidil and 5-alpha-reductase inhibitor treatments studied for male pattern hair loss, ahead of both oral finasteride and topical minoxidil. Direct evidence for the oral minoxidil + dutasteride combination specifically is more limited than for minoxidil + finasteride — it currently consists mainly of case reports and small studies rather than large retrospective cohorts. One published case report described a man with advanced (Grade 5) pattern baldness who saw new hair growth within a short period after starting combined oral minoxidil and dutasteride, with minimal side effects. Larger controlled studies directly comparing the combination against either drug alone are still needed.

Dutasteride vs. Finasteride — Why the Difference Matters

Dutasteride blocks both type 1 and type 2 5-alpha-reductase, while finasteride blocks only type 2 — this is why dutasteride achieves deeper DHT suppression, but it also means dutasteride stays in the body far longer after stopping treatment, due to its roughly 5-week half-life versus finasteride’s 6–8 hours. This longer half-life is an important consideration for men planning to conceive, as it takes significantly longer for dutasteride to clear the body.

Who Shouldn’t Take This

• Women — dutasteride is not approved for use in women, especially those who are or may become pregnant; even handling leaking capsules is discouraged due to absorption risk
• Men planning to conceive in the near future — dutasteride’s long half-life means DHT suppression and potential effects on semen persist for weeks after stopping
• Men with a history of depression or significant mood changes — require closer monitoring, as with other 5-alpha-reductase inhibitors
• Men with cardiovascular conditions — oral minoxidil requires blood pressure monitoring even at low doses

Side Effects

Reported side effects with dutasteride are broadly similar to finasteride, occurring in around 5% of patients, and are generally transient.

• Sexual side effects: decreased libido or erectile dysfunction, reported in approximately 5% of patients, comparable to finasteride
• Initial shedding: some men experience temporary increased shedding in the first 2–3 months as follicles transition into a healthier growth cycle
• Hypertrichosis: mild increase in fine facial or body hair from the minoxidil component
• Blood pressure changes: periodic monitoring is recommended for the minoxidil component
• Mood changes: rare reports with 5-alpha-reductase inhibitors; men with a prior history should be monitored

Frequently Asked Questions

Is dutasteride better than finasteride for hair loss?

Evidence suggests dutasteride achieves deeper DHT suppression and was found to be the most effective single option in a network meta-analysis of male pattern hair loss treatments, but it also has a much longer half-life, meaning effects (and any side effects) persist longer after stopping. The right choice depends on individual factors a prescribing doctor should assess.

Is dutasteride FDA-approved for hair loss?

No — dutasteride is FDA-approved only for benign prostatic hyperplasia in the US and is used off-label for hair loss, though it is specifically approved for androgenetic alopecia in South Korea, Japan, and Taiwan.

How long does dutasteride stay in the body after stopping?

Dutasteride has a half-life of approximately 5 weeks, compared to finasteride’s 6–8 hours, meaning its effects — and any associated side effects — clear much more slowly after discontinuation.

Can women take this combination?

No. Dutasteride is not approved for use in women, particularly those who are or may become pregnant, due to the risk of harm to a male fetus.

How long before I see results?

Initial visible changes typically appear at 3–6 months, with full results best assessed at the 12-month mark, consistent with other oral hair-loss combination therapies.

Storage

Store at 15–30°C, away from sunlight and moisture. Keep out of reach of children and women who are or may become pregnant — capsules should not be handled if leaking.

References

1. International Society of Hair Restoration Surgery — Dutasteride for Hair Loss: Dosage, Efficacy & Side Effects
2. PMC — Comparative Efficacy of Minoxidil and 5-Alpha Reductase Inhibitors: Network Meta-Analysis
3. Cosmoderma — Combination Therapy with Oral Minoxidil and Dutasteride: A Case Report

Medically reviewed. Last updated: [20/06/2026]. This content is for informational purposes and does not replace consultation with a licensed physician.