What are signs of swelling affecting the larynx?
Swelling attacks involving the mouth or neck can be life-threatening, especially when they affect the larynx (voice box). In some cases, the airways may be completely obstructed within less than four hours. There is acute danger of asphyxiation and death. The first signs of impending angioedema in the laryngeal area include a feeling of a foreign body in the throat coupled with problems swallowing (dysphagia) and changes in the voice such as hoarseness, followed by a whistling noise during breathing (stridor). Any suspicion of impending or developing swelling of the larynx should prompt you to seek out a physician immediately. In such situations, you should summon emergency medical assistance directly from the emergency services by dialling 112, 999, 911 or the emergency number established for your area. Patients with a known bradykinin-mediated form of angioedema should inform the emergency physician or ambulance medic of this fact in order that the appropriate treatment can be immedi