List of diseases that include penile discharge as a symptom. Any major, well-known medical conditions associated with penile discharge are included below, listed alphabetically with photos when available. Any maladies, sicknesses or illnesses with penile discharge as a symptom can be seen below. For any real, further diagnosis of something you feel you might have, please consult a doctor. This list includes information about each disease, such as what risks are associated with it. The list you're viewing is made up of many different illnesses, including Gonorrhea and Genital herpes.This list answers the questions, "What risks are associated with penile discharge?" and "What disease can I have if I have penile discharge?"