Laryngeal edema

Laryngeal edema is infiltration of interstitial fluid under the mucous membrane of the larynx. The etiology is divided into two categories: infectious and non-infectious. Infectious laryngeal edema can be caused by acute laryngitis, acute epiglottis, acute laryngeal chondritis, laryngeal abscess, laryngeal tuberculosis, laryngeal syphilis, etc., and acute purulent inflammation of the throat or neck; Due to heart disease, nephritis, liver cirrhosis, hypothyroidism, allergic or hereditary factors such as penicillin injection, oral potassium iodide, aspirin and other allergies, allergic foods such as fish, shrimp, crab and other reasons