List of diseases that include irritability as a symptom. Any major, well-known medical conditions associated with irritability are included below, listed alphabetically with photos when available. Any maladies, sicknesses or illnesses with irritability 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, like Alzheimer's disease and Sinusitis.This list answers the questions, "What risks are associated with irritability?" and "What disease can I have if I have irritability?"