Were you treated for a UTI? Then you'd have been on antibiotics. You'd probably have other symptoms as well. Prostatitis? Also treated with antibiotics and also has other symptoms typically. What about smegma? It can appear this way. That's a build up of cells. And then urethritis is another possibility but also has other symptoms typically. Anything with itis in it is usually treated with medication. So, what happened previously in terms of diagnosis and treatment? https://www.healthline.com/health/male-discharge-non-std#takeaway