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To prevent hair loss through administering Propecia is very much possible with a dosage as small as 1mg. This dosage is just the recommended amount for most men to attain the most benefit from the drug. This makes the hair loss to stop and possibly reverse during the period in which the drug is being administered. The effects of the active ingredient are known to be effective as long as the drug is being taken. Hair that is maintained will start to be lost within a 6-12 month period of time after terminating treatments with Propecia. Re-growth of hair is very much possible in a percentage of men. This is also caused by the increase number of hormone testosterone in the men. The process will re-grow hair in many men who are suffering from hair loss in many parts of the head. The hair will become thick and natural looking as well as give the thickening of thinned hair in male pattern baldness. When Propecia is administered for long periods of time, re-growth of hair could important enough to regain an almost perfectly normal look absent of hair loss for a small percentage of men.

The use of Propecia in treating prostate cancer is also highly possible in higher doses. This can help minimize swelling in the prostate which can give the necessary healing ability for the body to undergo treatment. It can also decrease the rate of prostate cancer by 30 percent with normal usage by those who are at risk of prostate cancer. There are number of men who can benefit from the use of Propecia as a method of prostate cancer prevention.

Adverse side effects of the drug include abnormal ejaculation, impotence, abnormal sexual function, erectile dysfunction, lower ejaculatory volume and much more. The risks involved with Propecia in terms of adverse effects are usually below 2 percent of the population of men who use it. For impotence, this can be as high as 18 percent as a common adverse effect for the men who user Propecia for hair loss. One of the most feared adverse effects of the drug are irreversible sexual dysfunction which could occur indefinitely after the halt of administering Propecia. Use of the medication is strictly dependant on the men who wish to have the possibility to prevent hair loss and promote hair growth.