Propecia
Propecia is an FDA approved drug for treating hairloss. It comes in a 1mg pill form and is available by prescription only for men for around $45-50 per month. Propecia grows hair in about 50% of men after one year and around 66% of men after two years. Overall, around 85% of men do not lose any more hair while using Propecia. The most common side effects are decreased sexual desire or lowered amount of ejaculate in less than 2% of men, although almost as many men who received the placebo experienced this as well.
Specifics Treatment Type 5-Alpha Reductase Inhibitor Availability Prescription for men Country Approval Approved: United States, New Zealand, UK, Australia, Canada, European Community Clinical Results Moderate to dense regrowth in 48% of individuals after one year (compared to 7% placebo) and in 66% of individuals after two years (compared to 7% placebo). Overall hair count increase of 138 hairs per inch after two years compared to placebo. Observed Results Seem to match clinical results. May be improved with simultaneous use of Rogaine/Minoxidil 2% or 5% Side Effects In 2% or less of individuals decreased sexual desire, lowered sensitivy, or decreased ejaculate Cost $45-58 for a one month supply at pharmacies
