Propecia vs Minoxidil for women hair loss?
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Doctor Answers 4
Minoxidil vs Propecia (finasteride)
Minoxidil is FDA approved for women with female androgenetic alopecia and helps 30 % of women improve their hair. Side effects include dizziness, heart palpitations, shedding in the first month, hair growth on the face, itching (more with liquid than foam). Other side effects can occur and minoxidil can not be used in pregnancy. It should not be used in those with cardiovascular disease.
Finasteride (Propecia) is used more often in post menopausal women than pre-menopausal women on account of concerns for significant harm during pregnancy and women of child bearing ages. It is not formally FDA approved for women but many hair specialists (mostly dermatologists) use off label. It should be prescribed only by a physician with extensive experience in using it for women's hair loss under various conditions. Other hormone blockers used in women include spironolactone, cyproterone acetate (not in USA). I have prescribed finasteride a great deal in post menopausal women and it is very well tolerated. It seems to help about 30-40% of women at 5 mg dosing.
In premenopausal women, one needs very carefully discussion and multiple methods of birth control as it causes serious harm to a developing baby if the woman using finasteride were to get pregnant. Many physicians do not prescribe to premenopausal women for this very reason. Side effects include breast enlargement, breast tenderness, mood changes, depression, anxiety, decreased libido, fatigue and possibly some weight gain. Concerns about cancer have not been substantiated, but generally one might consider avoiding in women with a very strong history of estrogen dependent cancers (breast, ovarian gynaecological cancers). Side effects are certainly much less common than with minoxidil. Overall finasteride is well tolerated in most women. More studies are needed to understand the benefits of finasteride in women and how it compares to minoxidil.
Women with hair loss
Sex Hormone tests
SHBG (Sex Hormone Binding Globulin) used to test status of male hormones
Estradiol is a sex hormone
FSH (Follicle Stimulating Hormone) *not hair follicle but follicle in the ovary*
LH (Luteinizing Hormone) is a sex hormone
ANA (Anti Nuclear Antibody) used to test for Lupus or other autoimmune diseases
TSH (Thyroid Stimulating Hormone) used to test for hyper or hypo-thyroid disease
Test Iron status
TIBC (Total Iron Binding Capacity)
Minoxidil vs propecia for female #hairloss
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Minoxidil vs Propecia
These answers are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.