Propecia (finasteride)

Propecia (finasteride 1mg – the generic name) was approved by the FDA in 1997 and has a long track record of being a safe, effective, medical treatment for men.  Clinical studies show that 90% of men improved their hair loss or maintained their existing hair with Propecia.  Most men in a 5 year study saw results 3 to 12 months after starting Propecia. If propecia does not work for you in twelve months, further treatment is not likely to benefit you.

Bof of Propecia pills

Box of Propecia pills.

Male pattern hair loss (MPHL) is caused by the toxicity of dihydrotestosterone (DHT) on hair follicles.   Too much DHT will lead to hair shedding, hair shaft miniaturization, thinning of the hair and then on to possible baldness. Propecia inhibits the enzyme (type 2, 5-alpha-reductase) that causes testosterone to convert into DHT. Thus Propecia blocks the body’s production of DHT and helps prevent hair loss.

Propecia clinical studies showed that in less than 2% of men sexual side effects occurred: low desire for sex – loss of libido, difficulty in achieving an erection, decrease in the amount of semen.  These side effects went away when the patients stopped taking Propecia.  Other rare side effects have been reported: breast tenderness and enlargement.

PROPECIA affects a blood test called PSA (Prostate-Specific Antigen) for the screening of prostate cancer.  PROPECIA decreases PSA levels.

Women of childbearing age should not take or handle the medication.

Ask Dr. Halby if this medication is a good choice for you.

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