What Is Piroxicam and How Does It Work? Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) indicated for the relief of the signs and symptoms of osteoarthritis and rheumatoid arthritis. Piroxicam is available under the following different brand names: Feldene. Piroxicam (Feldene) is an NSAID prescribed for the treatment of rheumatoid arthritis and osteoarthritis. The most common side effects of piroxicam are rash, headaches, dizziness, drowsiness, abdominal pain, nausea, constipation, fluid retention, ringing in the ears, and photosensitivity. Access information designed for healthcare professionals, including details about Pfizer medicines and patient support materials. Pfizer RxPathways connects eligible patients to a range of assistance programs that offer insurance support, co-pay help, and medicines for free or at a savings. Piroxicam (Feldene) is a nonsteroidal anti-inflammatory drug (NSAID) that works well to relieve symptoms of arthritis, such as joint pain, swelling, and stiffness. It's a capsule that's taken by mouth, typically once daily. Possible side effects include diarrhea, nausea, vomiting, and rash. Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat pain or inflammation caused by osteoarthritis or rheumatoid arthritis. Piroxicam may also be used for purposes not listed in this medication guide. What is Feldene? Feldene is a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat pain or inflammation caused by osteoarthritis or rheumatoid arthritis. Feldene may also be used for purposes not listed in this medication guide. Overview: Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID). It is used for arthritis symptoms like pain and swelling. Common side effects include nausea, vomiting, constipation or. FELDENE is a nonsteroidal anti-inflammatory drug (NSAID) that exhibits anti-inflammatory, analgesic, and antipyretic activities in animal models. The mechanism of action of FELDENE, like that. Feldene (Piroxicam) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. The project that produced piroxicam began in 1962 at Pfizer; the first clinical trial results were reported in 1977, and the product launched in 1980 under the brand name Feldene. [7][12] Major patents expired in 1992 [7] and the drug is marketed worldwide under many brandnames.