Prolonged Urticaria after ingestion of sulfamethoxypyridazine.
D006801:Humans; D013421:Sulfamethoxypyridazine; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013449:Sulfonamides / Q000009:adverse effects*; D014581:Urticaria / Q000209:etiology*
D013424:Sulfanilamides; D013449:Sulfonamides; D000077145:Sulfanilamide; D013421:Sulfamethoxypyridazine
SULFONAMIDES/injurious effects; URTICARIA/etiology and pathogenesis