A rare but life-threatening whole-body allergic reaction. Symptoms may appear quickly and include difficulty breathing, swelling of the throat or
other parts of the body, rapid drop in blood pressure, dizzi
ness, or unconsciousness. Anaphylaxis can be triggered by
foods, drugs, insect stings, or exertion.
(source: AIDSinfo)
hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance
