Finasteride 1 mg tablets (Propecia) was approved for hair loss treatment by FDA since1997. It is one of the only two products approved by FDA for hair loss treatment, the other being minoxidil.
Finasteride users seem to be very polarized, with one group being very critical about it and the other group being love it so much that they would even go as far as to say those who reported sides effects are from mental issue. So how bad the finasteride side effects are? Let's examine the data collected from large clinical study submitted to FDA by pharmaceutical companies.
In a study that was published in The Journal of Sexual Medicine. in 2007 (4(6):1708-12. Epub 2007 Jul 26. ), it showed the people who are informed about possible side effects of 5mg finasteride reported significant higher rate of side effects than those who were not informed, which suggests a lot of people who have side of effects from using finasteride may not come from the drug itself, rather it is a result of nocebo effect.
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