What is piroxicam? 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. Piroxicam (Feldene Flash) occurs as a white crystalline solid, sparingly soluble in water, dilute acid and most organic solvents. It is slightly soluble in alcohols and in aqueous alkaline solution. Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) indicated for the relief of the signs and symptoms of osteoarthritis and rheumatoid arthritis. Learn about side effects, drug interactions, dosages, warnings, and more. Piroxicam package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. The chemical name for piroxicam is 4-hydroxyl-2-methyl- N -2-pyridinyl-2 H -1,2,-benzothiazine-3-carboxamide 1,1-dioxide. Piroxicam occurs as a white crystalline solid, sparingly soluble in water, dilute acid and most organic solvents. It is slightly soluble in alcohol and in aqueous solutions. Piroxicam is used to relieve pain, tenderness, swelling, and stiffness caused by osteoarthritis (arthritis caused by a breakdown of the lining of the joints) and rheumatoid arthritis (arthritis caused by swelling of the lining of the joints). Piroxicam is in a class of medications called NSAIDs. Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) that is used to treat fever, pain, and inflammation in the body. As a group, NSAIDs are non-narcotic relievers of mild to moderate pain of many causes, including injury, menstrual cramps, arthritis, and other musculoskeletal conditions. Piroxicam is one of the few NSAIDs that can be given parenteral routes. [citation needed] It was patented in 1968 by Pfizer and approved for medical use in 1979. [6] Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) used to treat pain and help relieve symptoms of arthritis (eg, osteoarthritis, rheumatoid arthritis), such as inflammation, swelling, stiffness, and joint pain. 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.