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Finasteride is a drug that is used for the treatment of benign prostatic hyperplasia, or BPH , while also being used for the treatment of male pattern baldness, or MPB. Men that have BPH suffer from an enlarged prostate and it can take up to six months using finasteride before any positive results can be seen. Finasteride can also help with urinating problems like waking at night to use the toilet and with the flow of the urine. .

A comprehensive study was conducted, over a five year period, with men who had mild to moderate hair loss. To make comparisons the drug was administered to one group while the other took a placebo. The results showed that two out of three subjects grew new hair while those who did not take the drug actually lost hair. Furthermore, independent reviews of photographs conducted by dermatologists found that half the men taking finasteride grew new hair and almost half suffered no further hair losss. The study was conducted over a five year period with one group taking the drug and the other taking a placebo.

picture showing dihydrotestosterone (dht) effects on identical twins hair loss Above you can see the difference in hair count between me (right) and my twin brother (left). My twin has been using Dutasteride since late 2004 to block DHT from forming in his scalp; I only started using it in January 2010 - more photos.

The study also found that when subjects withdrew from taking the drug finasteride the effects were reversed and within only six to twelve months hair loss recurred. The treatment is also known to be most beneficial to the crown area rather than elsewhere.

More on Finasteride...

Finasteride is an inhibitor of 5 alpha reductase type ii and blocks this enzyme. This in turn blocks much of the testosterone from being converted into DHT (dihydrotestosterone), which is how it prevents hair loss from the scalp. Fintasteride does not, however, block 5 alpha reductase type i. This key fact is what lead my twin brother to discard finasteride and start to use Dutasteride instead , which does effectively inhibit both types of alpha reductase..

It is thought that just a 1mg dose of Finasteride is sufficient to give good results where hair loss is concerned, nevertheless, it is considered a control for the condition rather than a cure. It is always advisable to see your doctor before taking any drug to make sure that you are in sufficiently good health.

Studies have been conducted into Finasteride's effectiveness at combatting male pattern baldness compared with Dutasteride. Find out more about both drugs studies here or visit the official site of Finasteride - Propecia.com.