<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello, please I discovered that I ve some wound on the tip of my penis which is giving me sleepless nights, I ve not had sex with any woman for close to 6 months now so I don t know what could be the cause, I took ill and treated malaria immediately I got well I discovered I had cramps around my nose and lips which is normal for me after malaria but the one around my penis cap is giving me worries because I wouldn t say its an STD since I ve not had sex for close to 6months...pls advice me.  <response>: Thanks for asking in Chat Doctor forum In short: Is it wound due to injury or is it ulcer like lesion? Explanation: There are many STDsex. syphilis which can cause symptoms or get activated even after 6 months. So, do not think of malaria or any other thing. If you have a lesion on your penis, then visit a doctor without hesitation and get yourself investigated for the cause of the lesion. Good luck, hope this will help you. 