<s>[INST] I have a reaucuring situation where the skin on the tip of my penis gets dry and kinda itchy I try not to scratch it and it ends up looking scabbed over when the scab comes off the area it was in looks almost blood red do you have an idea of what it is caused by and what I can do for it [/INST] Brief Answer:STI or inflammation following a trauma during rough sexDetailed Answer:Hello dearI had gone through your question very diligently and I can understand your concern I see such patients in my clinic routinely and I will definitely help you as well in best possible wayLooking at your history this could  be STI (sexually transmitted infection) or inflammation of penis due to rough sexI would advise you for a battery of tests like blood for hemoglobin CBC liver and renal function test blood sugar urine culture and sensitivity test and swab culture from dischargeyou may require a course of antibiotics under supervision of your doctorTo help you better I would like further information likeany recent exposure to unprotected sex?since how long you are having this problem?Meanwhile please follow these guidelineswash it with antiseptic soap or solutionsapply antiseptic ointment like mupirocinmaintain good hygieneWaiting for your replyFollow up questions are most welcomewishing you rapid recovery and good healthRegards </s>