[Allergic reactions].
D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007154:Immune System Diseases; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000633:toxicity*
D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide
ALLERGY/etiology; SULFONAMIDES/toxicology