This is a condition usually found in men who are in there fifties and above. There is development of a fibrous plaque in the penis leading to curvature apparent during erection. It may cause discomfort and, at times, pain during intercourse. This leads to impotence, apart from this penile infections due to venereal disease also cause curvature in the penis this may also cause pain during erection. These problems can be cured through proper treatment.