Piroxicam 20mg 20 Caps Generic Name: piroxicam (peer OX i kam) Brand Names: Feldene What is Feldene (piroxicam)? Piroxicam is in a group of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). Piroxicam works by reducing hormones that cause inflammation and pain in the body. Piroxicam is used to treat pain or inflammation caused by arthritis. Piroxicam may also be used for purposes other than those listed in this medication guide. Find this and others similar in our Mexican pharmacy.