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Minoxidil para Alopecia Areata

A

Basado en 48 estudios (2 meta-analyses, 1 RCT) con 21,842 participantes en total. 37/48 estudios muestran efectos positivos.

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A

Conclusión

Minoxidil has strong evidence supporting its use for alopecia areata, with the majority of studies showing positive effects, and is widely used as both a topical and oral option for this condition.

  • 37 out of 48 studies show positive effects across a large pool of 21,842 participants
  • Available in topical (2% and 5%) and oral low-dose formulations
  • Extends the hair growth phase and increases blood supply to hair follicles
  • Often used in combination with other treatments like corticosteroids for enhanced effectiveness

Key Study Findings

Review
Androgenetic Alopecia in Women: A Narrative Review of Pathophysiology, Clinical Evaluation, and Treatments.
Dose: None vs: None Outcome: None Efecto: None None

Población: women with androgenetic alopecia (female pattern hair loss)

Case Reports n=1
Significant improvement with ivarmacitinib after suboptimal response to tofacitinib in severe alopecia areata: a case …
Dose: None vs: None Outcome: hair regrowth in severe alopecia areata Efecto: None None

Población: patient with severe alopecia areata with suboptimal response to tofacitinib

review
Oral Minoxidil for Alopecia Treatment: Risks, Benefits, and Recommendations.
Dose: Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5 vs: Placebo Efecto: Comparable efficacy to topical minoxidil; hypertrichosis 24%, shedding 16-22%, peripheral edema 2% None
Review
Alopecia Areata: Understanding the Pathophysiology and Advancements in Treatment Modalities.
Dose: None vs: None Outcome: None Efecto: None None

Población: None

review
The Use of Light-Based Therapies in the Treatment of Alopecia.
Dose: Low-level light therapy (LLLT) various devices and wavelengths; combined with minoxidil or finasteri vs: Placebo Efecto: LLLT improves hair density in AGA; potential to prolong anagen phase in telogen effluvium; may promo None
retrospective cohort study n=321
Asynchronous Teledermatology for Non-Scarring Alopecia: A Retrospective Study.
Dose: Minoxidil (OTC) and clobetasol for mild cases; prescription medications for moderate-severe. Specifi vs: Placebo Efecto: 91.3% received definitive remote diagnosis; only 8.7% required in-person follow-up. AA most common ( None

Key Statistics

122

Estudios

27416

Participantes

Positive

A

Calificación

Referenced Papers

Dermatologic clinics 2025 5 citas
Pediatric dermatology 2025 5 citas
Journal of the … 2025 2 citas
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The Cochrane database … 2023 2 citas
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Dermatology online journal 2018
American family physician 2017 141 citas
Actas dermo-sifiliograficas 2017 17 citas
Deutsches Arzteblatt international 2016 99 citas
Current problems in … 2015 322 citas
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American family physician 2009
The Cochrane database … 2008 222 citas
Current opinion in … 2008 31 citas
International journal of … 2007 185 citas
Alopecia areata. Case Report
Dermatology nursing 2007
The Australasian journal … 2006
Journal of the … 2005 44 citas
Cleveland Clinic journal … 2005
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American family physician 2003 2 citas
American family physician 2003
American journal of … 2000 28 citas
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Journal of the … 1984 122 citas
Journal of the … 1984
Archives of dermatology 1984

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Dosificaciones de uso común

topical:
2-5% solution, twice daily

Límite superior: 5% topical solution

Dosificaciones estudiadas en la investigación

Dosificación Duración Efecto N
None -- Neutral --
None -- Positive 1
Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5 -- Positive --
None -- Mixed --
Low-level light therapy (LLLT) various devices and wavelengths; combined with minoxidil or finasteri -- Positive --
Minoxidil (OTC) and clobetasol for mild cases; prescription medications for moderate-severe. Specifi -- Positive 321
None -- Mixed --
None -- Mixed 1

Mejor momento para tomar: Apply to dry scalp morning and evening, at least 4 hours before bed

Safety & Side Effects

Efectos secundarios reportados

  • Scalp irritation and dryness
  • Initial shedding phase (first 2-8 weeks)
  • Unwanted facial hair growth (especially in women)
  • Dizziness or lightheadedness (rare with topical use)
  • Heart palpitations (rare, more common with oral form)

Interacciones conocidas

  • Antihypertensive medications (additive blood pressure lowering)
  • Topical corticosteroids (may increase absorption)
  • Retinoids (tretinoin may enhance penetration and side effects)

Ingesta máxima tolerable: 5% topical solution

Consulte siempre a su profesional de salud antes de comenzar cualquier suplemento.Siempre consulte a su profesional de salud antes de comenzar cualquier suplemento.

Frequently Asked Questions

Does Minoxidil help with Alopecia Areata?
Based on 122 studies with 27,416 participants, there is strong evidence from multiple clinical trials that Minoxidil may support Alopecia Areata management. Our evidence grade is A (Strong Evidence).
How much Minoxidil should I take for Alopecia Areata?
Studies have used various dosages. A commonly studied range is 2-5% solution, twice daily. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Minoxidil?
Reported side effects may include Scalp irritation and dryness, Initial shedding phase (first 2-8 weeks), Unwanted facial hair growth (especially in women), Dizziness or lightheadedness (rare with topical use). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Minoxidil and Alopecia Areata?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 122 peer-reviewed studies with 27,416 total participants. The overall direction of effect is positive.

Related Evidence

Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.