Certain mild
side effects are possible if you take
Propecia regularly. The following ones are most often reported: dizziness, tenderness in your breasts, abnormal ejaculation, impotence, pain in the testicles, skin rash, runny nose, headache, weakness, and swelling. The side effects mentioned are not expected to last for too long or affect your health or wellbeing in any way. In most cases they just go away on their own without any need for your health care provider to interfere. However, you will need to watch these symptoms very carefully to make sure they do not change in intensity or worsen over time. In some rare cases Propecia has been reported to cause male breast cancer. You will need to watch for possible signs of this condition that may include breast lumps, nipple discharge, breast pain or any other changes that seem serious enough. The following signs of an allergic reaction must be reported to your health care provider as soon as possible, as they tend to get worse with time: swelling of your tongue, lips, throat and face, hives, trouble breathing and some other ones that may be individual.