List of diseases that include fainting as a symptom. Any major, well-known medical conditions associated with fainting are included below, listed alphabetically with photos when available. Any maladies, sicknesses or illnesses with fainting 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 illnesses include Heart Disease, Peptic ulcer and more.This list answers the questions, "What risks are associated with fainting?" and "What disease can I have if I have fainting?"