However before Propecia there was Proscar also manufactured by Merck and Co.  Proscar is exactly the same medication (finasteride) as Propecia only in a 5 mg dose.  Proscar (finasteride 5 mg) is prescribed for benign prostate enlargement.  It was quickly discovered that men taking Proscar who had previously suffered from male pattern hair loss, were experiencing decreased hair loss and were regrowing their hair.  The link was established that the bad body chemical called "DHT" not only caused prostate enlargement but also hair loss.

Since only 1 mg of finasteride is necessary for the treatment of hair loss, cost conscience consumers buy Proscar and split the pills into 4ths or 5ths thus realizing tremendous savings over the cost of Propecia.

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