Hair thinning & loss
Widening parts, shedding and midlife hair thinning - how clinicians sort causes, lab clues, and oral or topical treatment options by pattern and history.
Start here
Female hair-loss causes
- Scalp Folliculitis After Menopause: Bumps and Hair LossScalp folliculitis means inflamed hair follicles on the scalp, but the cause and hair-loss risk vary. Mild superficial folliculitis can clear with hygiene, warm compresses, or targeted topical treatment, while recurrent pustules, pain, crusting, tufts of hair, drainage, or shiny scarred patches can point to scarring conditions such as folliculitis decalvans or dissecting cellulitis. A 2025 European task-force review frames folliculitis decalvans treatment around controlling inflammation and preventing further hair loss because it is a scarring alopecia. [4] That makes diagnosis the first treatment decision, especially when scalp bumps appear with shedding after midlife.
- Does Perimenopause Cause Hair Loss?Perimenopause can be part of a hair-loss story, but it is rarely the whole diagnosis. Estrogen fluctuation may make androgen-sensitive thinning more noticeable, while sleep disruption, heavy bleeding, low ferritin, thyroid disease, medications, stress, and rapid weight change can trigger diffuse shedding. A 381-woman randomized trial supports topical minoxidil for female pattern hair loss over 48 weeks, but that evidence applies best after the pattern is identified. [5] The safer first step is to separate gradual part widening, sudden shedding, scalp inflammation, and scarring signs before choosing treatment.
- Thyroid Hair Loss After Menopause: Patterns, Red FlagsThyroid disease can contribute to diffuse shedding after menopause, but thyroid-stimulating hormone should not be the whole workup. ATA says thyroid-stimulating hormone is the usual first thyroid-function test, and American Academy of Dermatology says hair-loss diagnosis starts with timing, scalp and nail exam, hair-health testing, then blood tests or biopsy when disease, deficiency, hormone imbalance, or infection is suspected. [1] [2] A thyroid-first plan fits diffuse shedding with thyroid symptoms, history, medicines, or prior thyroid disease. Widening part, scarring hairline, painful scalp, inflammation, telogen-effluvium timing, ferritin deficiency, medication change, or rapid weight loss need other categories too.
- How to Get Prescribed Spironolactone for Hair Loss After MenopauseTo get prescribed spironolactone for hair loss, the useful visit is not a product request. It is a diagnosis and safety review. Spironolactone may be discussed off label when hair loss looks androgen-sensitive, such as gradual crown or part-line thinning with acne, facial hair, polycystic ovary syndrome history, or other androgen clues. A clinician should first separate female pattern hair loss from sudden shedding, scarring disease, thyroid or iron issues, medication effects, and rapid weight-loss triggers. Then the prescription screen should cover blood pressure, kidney function, potassium, potassium-raising medicines or supplements, pregnancy potential when relevant, and how response will be measured over months. [1] [2] [5] [7]
- Oral Minoxidil for Women After MenopauseOral minoxidil can be discussed for women with midlife hair thinning, but it is an off-label prescription route for hair growth. The strongest randomized evidence in female pattern hair loss still belongs to topical minoxidil. Low-dose oral minoxidil has large observational safety data and smaller female-pattern-hair-loss cohorts, so the useful frame is it as a clinician-monitored option, not a first-step over-the-counter swap. [1]
- Minoxidil Foam vs Solution After Menopause: Fit and AdherenceMinoxidil foam versus solution after menopause is mostly a diagnosis, adherence, and scalp-tolerance decision. American Academy of Dermatology says minoxidil is the most-recommended treatment for female pattern hair loss, but it must be used continuously to keep benefit. The 5% foam label uses half a capful once daily and says some women may need at least 6 months before results; the 2% solution label uses 1 mL twice daily and says at least 4 months may be needed. The best format is the one a woman can apply correctly after sudden, patchy, inflammatory, thyroid, iron, medication, and scarring causes are considered. [1]
- Microneedling Plus Minoxidil After MenopauseA derma roller is a consumer version of microneedling, and microneedling plus topical minoxidil has evidence as an add-on for diagnosed female pattern or androgenetic hair loss, but not as a guaranteed menopause hair fix. A 120-woman randomized trial found the largest 24-week hair-density gain with 5% minoxidil plus microneedling every 2 weeks, while a 40-woman randomized trial found an 85% effective rate with weekly microneedling plus 2% minoxidil versus 45% with minoxidil alone. [1] [2] Those data support a supervised add-on discussion after diagnosis, not unsupervised deep home rolling over an inflamed or unclear scalp.
- Menopause Hair Loss Treatment: Options and What to CheckMenopause can coincide with hair thinning, but treatment should start by identifying the pattern: female pattern hair loss, telogen effluvium, alopecia areata, scarring hair loss, iron or thyroid issues, medication effects, or scalp disease. Topical minoxidil has randomized evidence in women with female pattern hair loss. Hormone therapy is not a first-line hair-loss treatment by itself. [1]
- Low Ferritin and Hair Shedding After Menopause: What It MeansLow ferritin can belong in the workup for diffuse hair shedding after menopause, but it should not be treated as the whole diagnosis. A 2026 meta-analysis found lower ferritin in telogen effluvium cases than controls (SMD -0.57, 95% confidence interval -1.01 to -0.12), while a controlled study of 381 women with female pattern hair loss or chronic telogen effluvium did not find iron deficiency more common than in controls and said the effect of correction on hair loss was unknown. Pattern, triggers, complete blood count, thyroid, medications, nutrition, scalp findings, and the source of iron deficiency all matter. [1]
- Ketoconazole Shampoo After Menopause: Scalp AdjunctKetoconazole shampoo can be reasonable when dandruff, seborrheic dermatitis, itching, flaking, or oily scalp inflammation overlaps with hair shedding, but it should not be sold as a stand-alone menopause hair-regrowth plan. A 2020 systematic review found seven eligible ketoconazole alopecia studies, with five human studies totaling 318 participants, and concluded that randomized controlled trials are still needed. Minoxidil has stronger female-pattern hair-loss evidence, including a 48-week randomized trial in 381 women and a 24-week phase III foam trial in 404 women. The first decision is whether the problem is scalp inflammation, female pattern hair loss, telogen effluvium, iron or thyroid issues, medication-related shedding, androgen signs, or scarring alopecia. [1]
- HRT for Menopause Hair Loss: What the Evidence ShowsFor hair loss and hormone replacement, the safest answer is diagnosis first: hormone replacement therapy should not be framed as an established hair-loss treatment after menopause. In a cross-sectional study of 178 postmenopausal women aged 50 to 65, female pattern hair loss was found in 52.2%, so the symptom is common. [1] Estrogen biology is plausible, and an 11-person uncontrolled estradiol-replacement pilot reported frontal hairline improvement at 6 months, but that is not enough to start systemic hormone therapy for hair alone. [2] [3] [4]
- Hair Loss Blood Tests After Menopause: Useful LabsBlood tests can help evaluate hair loss after menopause, but they should not replace scalp-pattern diagnosis. American Academy of Dermatology says dermatologists start with timing, scalp and nail exam, hair testing, then blood tests or biopsy when disease, deficiency, hormone imbalance, or infection is suspected. [1] Ferritin, complete blood count, iron studies, thyroid-stimulating hormone, vitamin D, B12, folate, androgen testing, medicines, and nutrition can matter when the story fits. For diffuse shedding, triggers can precede visible shedding by 2 to 4 months, and a 60 ng/mL ferritin cutoff is study context, not a universal rule. [3] [6]
- Frontal Fibrosing Alopecia After MenopauseFrontal fibrosing alopecia is a primary lymphocytic scarring alopecia that predominantly affects postmenopausal women and causes progressive frontotemporal hairline recession, often with eyebrow or body-hair loss. [1] A receding hairline with redness, scale, itching, burning, scalp tenderness, loss of tiny hairs at the front hairline, eyebrow thinning, or a shiny scarred band should be evaluated by dermatology because the goal is often stabilization before more follicles are permanently damaged. [3] [4] [6]
- Finasteride for Hair Loss After Menopause: Does It Work?Finasteride is not a first-line, FDA-approved hair-loss treatment for women. In a 12-month randomized trial of 137 postmenopausal women with androgenetic alopecia, finasteride 1 mg/day did not increase hair growth or slow hair thinning versus placebo. Some later reviews suggest higher-dose oral finasteride may help selected postmenopausal or normoandrogenic women, but the evidence is less settled than topical minoxidil. A dermatologist or clinician should confirm the diagnosis, pregnancy status, medication risks, and whether off-label treatment is appropriate. The current DailyMed label for 1 mg finasteride says it is indicated for male pattern hair loss in men only and is not indicated for use in women. [4]
- Dutasteride for Women After MenopauseDutasteride for hair loss in women after menopause is an off-label discussion, not a first-line consumer claim. Dutasteride inhibits type I and type II 5-alpha-reductase and is labeled for benign prostatic hyperplasia in men, while hair-loss use in women relies on smaller studies, retrospective data, and specialist practice. Postmenopausal status can reduce pregnancy relevance but does not remove diagnostic, medication, liver, side-effect, or expectation-setting review. [1]
Common questions
Can scalp folliculitis cause hair loss?
It can. Mild superficial folliculitis may cause temporary shedding or broken hairs, but scarring conditions such as folliculitis decalvans or dissecting cellulitis can damage follicles permanently if inflammation is not controlled.
Does perimenopause directly cause hair loss?
Perimenopause can contribute, but it is not a complete diagnosis. Hormone fluctuation can expose androgen-sensitive thinning, while telogen effluvium, thyroid disease, low ferritin, medications, rapid weight change, and scalp inflammation can also cause shedding after 40.
Does a widening part mean female-pattern hair loss?
Often, but not always. A study of 178 postmenopausal women aged 50 to 65 found female-pattern hair loss in 52.2%, but sudden shedding 2 to 4 months after a trigger can point toward telogen effluvium or a mixed picture.
Can hypothyroidism or hyperthyroidism cause hair loss?
Yes. Reviews link hypothyroidism and hyperthyroidism with widespread or diffuse shedding, but the relationship is not specific enough to diagnose thyroid disease from hair loss alone. Pattern, timing, scalp findings, and symptoms still matter. [3] [4]
How do I get prescribed spironolactone for hair loss?
Bring the hair-loss pattern, timeline, photos, scalp symptoms, acne or facial-hair clues, medication list, supplements, blood pressure history, and prior minoxidil use. A clinician can decide whether spironolactone belongs in the plan after diagnosis and safety screening.
Is oral minoxidil FDA-approved for women's hair loss?
No. Oral minoxidil tablets are labeled for hypertension that has not responded adequately to other therapy. The current tablet label states that use to promote hair growth is not an approved indication.
Is 5% minoxidil foam stronger than 2% solution?
It is not that simple. In a 24-week phase III trial, once-daily 5% foam and twice-daily 2% solution both increased hair count, but the foam did not meet the study's prespecified noninferiority criterion.
Does microneedling help female pattern hair loss?
It can help as an add-on in selected patients. One 120-woman trial found the largest 24-week hair-density gain with 5% minoxidil plus microneedling every 2 weeks, and a 40-woman trial reported 85% effectiveness with microneedling plus 2% minoxidil versus 45% with minoxidil alone.