During intercourse once release immediately I feel burning sensation. I noticed that some sketches or cuts appearing on foreskin skin of penis. I showed to doctor he gives me "Cormuzik"and TBIS" ointment. I am applying as per advise but it's cure for week and repeatedly happening. Now, When I am going for passing stool on my anus wall some same sketches or cuts appearing. Please advise me what to do? Give me permanent solution.