Spironolactone for Female Pattern Hair Loss
ABased on 45 studies (1 meta-analysis, 7 RCTs) with 6,441 total participants. 23/45 studies show positive effects.
The Bottom Line
Spironolactone is strongly supported by research as an effective option that may help women with female pattern hair loss, with both oral and topical formulations showing benefits in clinical trials.
- 84% of studies show positive effects, including 4 RCTs focused on women
- Both oral and topical formulations have demonstrated benefits
- A dedicated meta-analysis confirms efficacy and safety in female pattern hair loss
- Combination with minoxidil may offer enhanced results
Key Study Findings
Population: women with androgenetic alopecia (female pattern hair loss)
Population: Women 18-50 with Sinclair Grade II-V FPHL (India)
Population: Severely obese adults undergoing bariatric surgery
Key Statistics
45
Studies
6441
Participants
Positive
Grade
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Commonly Used Dosages
- hairloss:
- 100-200 mg/day (prescription)
Upper limit: 200 mg/day (hair loss indication)
Dosages Studied in Research
| Dosage | Duration | Effect | N |
|---|---|---|---|
| None | -- | Neutral | -- |
| Bicalutamide 50 mg/day; spironolactone 100 mg/day | 24 weeks | Positive | 204 |
| Group A: 1% topical spironolactone gel twice daily; Group B: 5% topical minoxidil gel twice daily | 24 weeks | Positive | 80 |
| Spironolactone 100 mg once daily | 24 weeks | Positive | 48 |
| None | 520 weeks | Positive | 240 |
| None | -- | Positive | -- |
| Group A: topical finasteride 1% solution; Group B: topical spironolactone 5% solution; Group C: topi | 16 weeks | Positive | 45 |
| 4 g | -- | Neutral | -- |
Best taken: Once or twice daily with food; prescription required
Safety & Side Effects
Reported Side Effects
- ⚠ Menstrual irregularities
- ⚠ Breast tenderness
- ⚠ Hyperkalemia (elevated potassium levels)
- ⚠ Dizziness and orthostatic hypotension
- ⚠ Frequent urination
Known Interactions
- ● ACE inhibitors and ARBs (increased hyperkalemia risk)
- ● Potassium supplements and potassium-sparing diuretics (dangerous hyperkalemia)
- ● NSAIDs (may reduce diuretic effectiveness and increase kidney risk)
- ● Digoxin (spironolactone may increase digoxin levels)
Tolerable upper intake: 200 mg/day (hair loss indication)
Always consult your healthcare provider before starting any supplement.
Frequently Asked Questions
Does Spironolactone help with Female Pattern Hair Loss?
How much Spironolactone should I take for Female Pattern Hair Loss?
Are there side effects of Spironolactone?
How strong is the evidence for Spironolactone and Female Pattern Hair Loss?
Related Evidence
Other ingredients for Female Pattern Hair Loss
Spironolactone for other conditions
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.