MARTIN E. KATZ, M.D.; PANG WANG, M.D.
To the editor: Fenoprofen calcium (Nalfon; Eli Lilly & Co., Indianapolis, Indiana) is a phenylalkanoic acid nonsteroidal anti-inflammatory drug effective in the treatment of osteoarthritis, gout, and rheumatoid arthritis (1). We wish to report a case of fenoprofen-associated thrombocytopenia and review the available data on the reported hematologic toxicities of this drug.
An 81-year-old woman with long-standing severe osteoarthritis was started on fenoprofen, 600 mg orally four times a day, on 6 July 1979. When she was seen 14 d later for evaluation of a fever, nonproductive cough, and macular rash, a complete blood count showed hemoglobin value of 11.3
KATZ ME, WANG P. Fenoprofen-Associated Thrombocytopenia. Ann Intern Med. 1980;92:262. doi: 10.7326/0003-4819-92-2-262_1
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Published: Ann Intern Med. 1980;92(2_Part_1):262.
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