What Causes Pain In Penis?

hello sir im ravi prakash frm visakhapatnam im very asamed to say that i had sex with call girl before 15 days and i have small bit of pain in my cock there no sign of any pas or any other reaction but inside i have small pain and at that time i was drunked and i had a incompleted sex with her with condoms i was been drinking for the last 10 days before going to her i mean before having sex with her im 26 and single unmarried so please give me some information wats wronge it was been 15 days now plsssssss sir