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A 47-year-old member asked:

when will your hair stop falling out after starting propecia (finasteride)?

1 doctor answer3 doctors weighed in
Dr. Christopher Dowd
Internal Medicine 20 years experience
It won't : Unfortunately, Propecia (finasteride) won't completely stop hair from falling out, nor will it lead to full restoration of hair back to your "baseline". It can provide partial improvement which won't persist long after med is stopped.

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A 37-year-old member asked:

I am 22 and my hair is already thinning. Will propecia (finasteride) work?

1 doctor answer1 doctor weighed in
Dr. Bob Ourian
Dermatology 26 years experience
Probably: Propecia (finasteride) is one of two drugs that are approved by the fda for hair loss. It doesn't seem to work on women but most men see an improvement if they take it for at least 6 months. However, about 1/3 of people don't see much improvement. It also works in people who have thinning hair, not those who have lost their hair for years.
A 41-year-old member asked:

Can finasteride help my hair?

2 doctor answers6 doctors weighed in
Dr. Ramsay Kuo
Urology 26 years experience
Yes: Finasteride, which is a 5 alpha reductase inhibitor, blocks the conversion of testosterone to dihydrotestosterone (DHT), which is responsible for prostate gland growth over time. This is why it is used to help control symptoms of an enlarged prostate, by shrinking it slowly. It also helps to prevent hair loss by DHT as well, and Propecia is simply a smaller dose of finasteride for this purpose.

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Last updated Jun 30, 2014

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