Discomfort in my tip of penis. Remedy!

Was in thailand last week..unfortunately had the massage from the massage therapist of the same hotel in my room.she ended up doing b2b and was one me. Within a minute or so i ejaculated ..therapist told that cum didnt go inside..i was not fully erected ..but few days later i got tensed that her genital might have rubbed my penis which resulted in ejaculation..as i was feeling discomfort in tio of my penis..hence i i took heavy anyibiotics to control the infections if any..and consulted urologist..on physical examination doctor told no symptoms and not to worry much ..and prescribed VDRL, URINE R/E and URINE CULTURE.VDRL is non reactive and URINE R/E is normal.Awaiting for urine culture report..but now i saw some redness in one area under the foreskin ..there is no redness or scarscon urthera..no burning sensation while urinatingvand urine is clear..but feel slight burning or discomfort after urination..this discomfort comescand goes...please suggest remedy