Hypersensitivity reactions to phenylbutazone.
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000188:drug therapy; D003937:Diagnosis, Differential; D004342:Drug Hypersensitivity; D005260:Female; D006801:Humans; D007244:Infectious Mononucleosis / Q000175:diagnosis; D008875:Middle Aged; D010653:Phenylbutazone / Q000009:adverse effects*; D014123:Toxoplasmosis / Q000175:diagnosis
D010653:Phenylbutazone