Pictures of angioedema show the welt-like inflammation that occurs below the surface of the skin, often around the mouth and eyes, in reaction to certain medications, foods or chemical exposure. Angioedema can be life-threatening when the throat or tongue swells and blocks the airway, according to Mayo Clinic.
Angioedema produces redness and warmth at the site of inflammation. Conditions such as lupus, thyroid disease and lymphoma are risk factors in the development of angioedema, reports Mayo Clinic. Home treatments for mild cases include cool compresses, cool baking soda or colloidal oatmeal baths, over-the-counter antihistamines and loose-fitting cotton clothing. Doctors sometimes prescribe antihistamines, corticosteroids or autoimmune medications for moderate to severe cases.