<s>[INST] Uncircumsized small sores on penis. Every now an then maybe every 3 to 5 weeks or so, typically a few days after masterbation under my penis head begins to itch. It then forms little tinny bubbles like maybe look like little pimples then eventually where they were the turn to open sores typically after washing with a towel. And it is very painful when water or my finger touches it and it also can be itchy. It doesn t scab or leave scars it just kind of heals and goes away. [/INST] HelloI share your concern Looking at your description This could be due to recurrent STI or injury and inflammation due to masturbationIn my opinion this could be recurrent herpes infection if it's not related injury or allergyIf you can upload me a photographYou can email it to customercare@healthcare magic.com titling as 'for Dr BR Hudda'I will definitely help you in best possible way if you can provide me more relevant information like Your age and any exposure of unprotected sex?In my opinion you should consult a veneral disease specialist for physical examination and battery of tests for confirmation of diagnosisMeanwhile maintain good hygienewash it with antiseptic solutions and apply antibacterial ointment to avoid superadded infectionHope this answers your questionThanks for using our servicesBest wishes </s>