Women's Hair Loss: Telling Androgenetic Apart From Telogen Effluvium and Alopecia Areata
Melissa Piliang, MD, FAAD, Chairman of Dermatology at Cleveland Clinic, teaches the differential women specifically need: gradual, diffuse thinning at the part line (androgenetic), sudden, all-over shedding 2-3 months after a stressor like pregnancy or illness (telogen effluvium), or patchy, well-defined bald spots (alopecia areata, autoimmune). Topical minoxidil 2%/5% is first-line for androgenetic; oral spironolactone and finasteride are physician-prescribed only; iron and thyroid screening matter for diffuse shedding.
Note whether your hair loss is gradual thinning at the part line, a sudden all-over shed a few months after a stressor, or patchy well-defined bald spots n/a, self-observation, confirm with a dermatologist
Each pattern points to a different underlying cause and a different first step; treating the wrong pattern wastes months.
Use topical minoxidil 2% or 5% foam/solution daily on the scalp Per label, once or twice daily; expect a minimum 4-6 month timeline before judging results
Topical minoxidil is the AAD-aligned first-line, OTC option for androgenetic (pattern) hair loss in women.
Ask your physician for ferritin and thyroid labs if your shedding is sudden and diffuse rather than patterned n/a, lab work with a physician
Both low iron and thyroid dysfunction can drive telogen effluvium, and correcting the underlying driver resolves the shedding, which minoxidil alone would not fix.
Well-defined, patchy bald spots need a dermatologist for diagnosis; this is alopecia areata, an autoimmune process, not something an OTC topical addresses n/a, physician-directed
Alopecia areata is treated differently from pattern loss (topical or injected steroids, sometimes newer systemic options), and needs a dermatologist's diagnosis first.
Androgenetic alopecia (gradual thinning at the part line, driven by androgen sensitivity in hair follicles) responds to topical minoxidil.
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Hair, Skin & Nails: The Window to Your Health with Dr. Melissa Piliang
Melissa Piliang, MD
Approach to the patient with hair loss
Not medical advice. This page is for education only and is not a substitute for professional medical care. Consult a qualified clinician before changing your health routine.
Independent curation. YourProtocol is an independent platform. This protocol is based on the publicly available work of Melissa Piliang, MD, FAAD and is not created, reviewed, endorsed by, or affiliated with Melissa Piliang, MD, FAAD or Cleveland Clinic.
Is this for you
- Women noticing hair thinning or shedding who are not sure which pattern they have
- Anyone who tried minoxidil for a shed that turned out to be stress-related, not pattern loss
- Readers wanting the female-specific companion to our general androgenetic alopecia coverage
Cautions
- Informational only, alongside a dermatologist for diagnosis
- Oral spironolactone and finasteride are physician-prescribed only, never self-directed
- Patchy bald spots need a dermatologist, not an OTC approach
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