Use
Fenoprofen (Nalfon), is rapidly absorbed orally, reachespeak plasma levels within 2 hours, and has a short plasmahalf-life (3 hours). It is highly protein bound, just like theother NSAIDs, thus caution is needed when it is used concurrentlywith other medications including hydantoins, sulfonamides,and sulfonylureas. It is recommended for RAand OA, at an oral dose of 300 to 600 mg for 3 or 4 timesper day, but not exceeding 3 g/d to avoid any serious side effects.It should be noted that in a comparison study of allNSAIDs, fenoprofen is the one that has been most closelyassociated with a rare acute interstitial nephritis.188 For mildto moderate pain relief, the recommended dosage is 200 mggiven every 4 to 6 hours, as needed.