Proxen 500 mg Tablet 20 Pcs is in the non-steroidal anti-inflammatory drug family (NSAIDs). Proxen 500 is arthritis treatments, rheumatoid arthritis treatment and Spinal pain. Proxen tab eases pain and decreases inflammations in various forms of arthritis, including rheumatoid arthritis, arthritis, and ankylosing spondylitis (swelling, roughness and soreness).