Feeling pain in penis after ejaculation

Patient: Dear sir i am feelin pain in my penis after ejaculation and while erection after some time of first ejacilation.my age is 26,height 162cm weight 67kg no history of injury and any disease like hypertension,diabetes or any stomach problm etc.and currently i am not using any proper prescription of any dr nor use in past.

Symptoms: No symptoms

Doctor: