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Minoxidil cho Alopecia Areata

A

Dựa trên 48 nghiên cứu (2 meta-analyses, 1 RCT) với 21,842 người tham gia. 37/48 nghiên cứu cho thấy tác động tích cực.

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A

Kết luận

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 so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: 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 so với: None Outcome: hair regrowth in severe alopecia areata Hiệu quả: None None

Đối tượng nghiên cứu: 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 so với: Placebo Hiệu quả: 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 so với: None Outcome: None Hiệu quả: None None

Đối tượng nghiên cứu: 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 so với: Placebo Hiệu quả: 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 so với: Placebo Hiệu quả: 91.3% received definitive remote diagnosis; only 8.7% required in-person follow-up. AA most common ( None

Key Statistics

122

Nghiên cứu

27416

Người tham gia

Positive

A

Xếp hạng

Referenced Papers

Dermatologic clinics 2025 5 trích dẫn
Pediatric dermatology 2025 5 trích dẫn
Journal of the … 2025 2 trích dẫn
International journal of … 2025 1 trích dẫn
Journal of clinical … 2025 1 trích dẫn
Archives of dermatological … 2025
International journal of … 2024 39 trích dẫn
American family physician 2024 8 trích dẫn
Skin health and … 2024 7 trích dẫn
Journal of the … 2024 7 trích dẫn
The Journal of … 2024 2 trích dẫn
Archives of dermatological … 2023 16 trích dẫn
The Cochrane database … 2023 2 trích dẫn
The Journal of … 2022 170 trích dẫn
Journal of the … 2022 90 trích dẫn
Dermatology and therapy 2022 43 trích dẫn
Skin appendage disorders 2022 7 trích dẫn
JAAD case reports 2022 2 trích dẫn
The American Journal … 2022 2 trích dẫn
Clinical reviews in … 2021 304 trích dẫn
Journal of dermatological … 2021 51 trích dẫn
Dermatologic therapy 2021 30 trích dẫn
American journal of … 2020 127 trích dẫn
International journal of … 2020 58 trích dẫn
Recent patents on … 2020 5 trích dẫn
The journal of … 2020 3 trích dẫn
The Australasian journal … 2019 152 trích dẫn
American journal of … 2019 84 trích dẫn
Journal of the … 2019 50 trích dẫn
Expert opinion on … 2019 34 trích dẫn
Klinicka onkologie : … 2019 11 trích dẫn
Journal of the … 2018 114 trích dẫn
Dermatology online journal 2018
American family physician 2017 141 trích dẫn
Lasers in medical … 2017 43 trích dẫn
American journal of … 2017 32 trích dẫn
Actas dermo-sifiliograficas 2017 17 trích dẫn
Deutsches Arzteblatt international 2016 99 trích dẫn
Skinmed 2016 2 trích dẫn
Current problems in … 2015 322 trích dẫn
The Medical clinics … 2015 66 trích dẫn
Canadian family physician … 2015 31 trích dẫn
Seminars in cutaneous … 2015 27 trích dẫn
The journal of … 2015 25 trích dẫn
Current problems in … 2015 18 trích dẫn
Der Internist 2015
Lasers in surgery … 2014 243 trích dẫn
American journal of … 2014 82 trích dẫn
Expert opinion on … 2014 57 trích dẫn
Giornale italiano di … 2014 18 trích dẫn
Giornale italiano di … 2014
International journal of … 2013 61 trích dẫn
Recent patents on … 2011 6 trích dẫn
Seminars in cutaneous … 2009 85 trích dẫn
American family physician 2009
The Cochrane database … 2008 222 trích dẫn
Current opinion in … 2008 31 trích dẫn
International journal of … 2007 185 trích dẫn
Alopecia areata. Case Report
Dermatology nursing 2007
The Australasian journal … 2006
Journal of the … 2005 44 trích dẫn
Cleveland Clinic journal … 2005
Praxis 2003 28 trích dẫn
American family physician 2003 2 trích dẫn
American family physician 2003
American journal of … 2000 28 trích dẫn
International journal of … 1999 16 trích dẫn
Dermatologic clinics 1998 121 trích dẫn
American family physician 1990
Dermatologic clinics 1987
Journal of the … 1984 122 trích dẫn
Journal of the … 1984
Archives of dermatology 1984

Dosage & Usage

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

Liều lượng thường dùng

topical:
2-5% solution, twice daily

Giới hạn trên: 5% topical solution

Liều lượng đã nghiên cứu

Liều lượng Thời gian Hiệu quả 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

Thời điểm dùng tốt nhất: Apply to dry scalp morning and evening, at least 4 hours before bed

Safety & Side Effects

Tác dụng phụ đã được báo cáo

  • 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)

Tương tác đã biết

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

Mức hấp thụ tối đa cho phép: 5% topical solution

Luôn tham khảo ý kiến bác sĩ trước khi bắt đầu sử dụng bất kỳ thực phẩm bổ sung nào.Luôn tham khảo ý kiến chuyên gia y tế trước khi sử dụng bất kỳ thực phẩm chức năng nào.

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

Tuyên bố miễn trừ FDA: Các tuyên bố này chưa được Cục Quản lý Thực phẩm và Dược phẩm (FDA) đánh giá. Các sản phẩm và thông tin trên trang web này không nhằm mục đích chẩn đoán, điều trị, chữa bệnh hoặc phòng ngừa bất kỳ bệnh nào. Xếp hạng bằng chứng được trình bày dựa trên phân tích của chúng tôi về nghiên cứu đã bình duyệt được công bố và không cấu thành tư vấn y khoa. Luôn tham khảo ý kiến chuyên gia y tế trước khi bắt đầu bất kỳ chế độ thực phẩm chức năng nào.