Your patient presents to the ER due to a bee sting on the cheek. As you are examining the patient, you note increasing facial swelling and redness as well as swelling of the lips and eyes. This condition is due to:
A. Angioedema
B. Parotitis
C. Sinusitis
D. Sialoadenitis
ANS: A
Angioedema is basically anaphylaxis that is restricted to the skin and is generally benign and self-limiting. The causes are numerous and include insect stings; atopic conditions; food allergies (typically nuts, eggs, shellfish, fruit, and sulfites); drug allergies; allergy desensitization injections; a reaction to blood products; a response to exercise, cold, or pressure; heredity; and vasculitis.
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