Finasteride and dutasteride belong to a class of medications called 5-alpha reductase inhibitors, or 5-ARIs. They prevent the conversion of testosterone into a different type of androgen hormone ...
D'Amico AV and Roehrborn CG (2007) Effect of 1 mg/day finasteride on concentrations of serum prostate-specific antigen in men with androgenic alopecia: a randomised controlled trial. Lancet Oncol ...
But keep in mind this is a much higher dosage of finasteride than the typical 1-milligram dose. The risk comes with the entire class of 5-alpha reductase inhibitor (5-ARI) drugs. Known by the ...