Balanitis is swelling of the foreskin and head of the penis.
The male reproductive structures include the penis, the scrotum, the seminal vesicles and the prostate.
Balanitis is most often caused by poor hygiene in uncircumcised men. Other possible causes include:
Your health care provider may be diagnosed the problem with only an exam. However, you may need skin tests for viruses, fungi, or bacteria. A skin biopsy may also be needed.
Treatment depends on the cause of the balanitis.
Circumcision may be the best option in severe cases. If you cannot pull back (retract) the foreskin to clean it, you may need to be circumcised.
Most cases of balanitis can be controlled with medicated creams and good hygiene. Surgery is not needed most of the time.
Long-term inflammation or infection can:
Tell your health care provider if you have any signs of balanitis, including swelling of the foreskin or pain.
Good hygiene can prevent most cases of balanitis. When you bathe, pull back the foreskin to clean and dry the area under it.
Balanoposthitis
Source: http://www.nlm.nih.gov/medlineplus/ency/article/000862.htm
Problems with Penis (male)