What are the potential side-effects of the drug?
These are usually minor and short-lived. The most frequently reported side-effects are headaches and indigestion, though it has occasionally also caused back pain, aches in the muscles, blocked nose, hot flushes and dizziness. Rarely, it has caused discomfort in and around the eyes. It has also been infrequently reported that users experienced a prolonged and sometimes painful erection after taking TADALAFIL. If you experience any of these reactions, seek the help of your healthcare advisor. If you feel pains in the chest during or after sex, you should not take a nitrate-based treatment but seek the help of your healthcare advisor straight away. Heart attack, stroke, and irregular heart beats have occaisionally been reported by men taking TADALAFIL. Most though not all of these men were known to have heart problems before they started using TADALAFIL and it is not known whether the problems were caused by TADALAFIL. One trial in animals indicated a possible reduction in fertility, but
