Tightness of the foreskin (PREPUCE) which prevents it from being pulled back over the underlying head (glans) of the PENIS. Some phimosis is normal in uncircumcised male children. In a very few, the condition may persist, eventually causing problems with urination. BALANITIS may occur because the inside of the foreskin cannot be properly washed. There may be an increased risk of cancer of the penis. In adolescents and adults with phimosis, erection of the penis is painful. CIRCUMCISION is the treatment.