List of diseases that include leg pain as a symptom. Any major, well-known medical conditions associated with leg pain are included below, listed alphabetically with photos when available. Any maladies, sicknesses or illnesses with leg pain 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. List ranges from Herpes simplex to Neuropathy, plus much more.This list answers the questions, "What risks are associated with leg pain?" and "What disease can I have if I have leg pain?"