Thus, I need to address my erection problems while still being able to take Propecia. I read that
L-
Arginine could help with my erectile problems
and that it works similar to Viagra. Thus, I began taking L-Arginine, 1500 mg. twice a day. It has helped but it has not solved the problem. I went to my doctor and he gave me a prescription for Viagra, 50 mg. My question is this: Is it safe to occasionally take Viagra if I also take L-Arginine?