Ram Devi presented with generalized edema, sweating, and flushing tachycardia and fever after bee sting. This is:

Symptoms of generalized edema, sweating, flushing, tachycardia and fever following bee sting indicates anaphylactic type of reactionThis is a type I hypersensitivity reaction mediated by IgE (ref: Harrison's 18/e p2710)