Angioedema is a swelling of the deeper skin layers and/or the mucous membranes that disappears completely after a few hours or at the latest after a few days. Depending on the location, the swellings can be cosmetically or functionally impairing, painful or even life-threatening. Recurrent angioedema can be caused by various diseases. It is important to determine the exact cause, as treatment will depend on it. Our questionnaire below contains 10 questions that will help you make the right diagnosis. The actual and final diagnosis must be made by your doctor.