Nalfon
NALFON®
(fenoprofen calcium capsules, USP) 200 mg
Cardiovascular Risk
- NSAIDs may cause an increased risk of serious cardiovascular thrombotic events, myocardial infarction, and stroke, which can be fatal. This risk may increase with duration of use. Patients with cardiovascular disease or risk factors for cardiovascular disease may be at greater risk (See WARNINGS).
- Nalfon® is contraindicated for the treatment of peri-operative pain in the setting of coronary artery bypass graft (CABG) surgery (see WARNINGS).
Gastrointestinal Risk
- NSAIDs cause an increased risk of serious gastrointestinal adverse events including bleeding, ulceration, and perforation of stomach or intestines, which can be fatal. These events can occur at any time during use and without warning symptoms. Elderly patients are at greater risk for serious gastrointestinal events (see WARNINGS) .
DRUG DESCRIPTION
Nalfon® (fenoprofen calcium capsules, USP) is a nonsteroidal, anti- inflammatory, antiarthritic drug. Nalfon capsules contain fenoprofen calcium as the dihydrate in an amount equivalent to 200 mg (0.826 mmol) of fenoprofen. The capsules also contain cellulose, gelatin, iron oxides, silicone, titanium dioxide, and other inactive ingredients. Chemically, Nalfon is an arylacetic acid derivative.
The structural formula is as follows:
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Benzeneacetic acid, α-methyl-3-phenoxy-, calcium salt dihydrate, (±)-
Nalfon is a white crystalline powder that has the structural formula C30H26CaO6•2H2O representing a molecular weight of 558.65. At 25°C, it dissolves to a 15 mg/mL solution in alcohol (95%). It is slightly soluble in water and insoluble in benzene.
The pKa of Nalfon is a 4.5 at 25°C.
Generic Name: Fenoprofen Calcium
Arthritis
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