Indomethacin 75mg SR Capsule A non-steroidal anti-inflammatory drug (NSAID) with sustained release action, Indomethacin provides prolonged relief from pain, inflammation, and swelling. It is commonly used in rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, acute gouty arthritis, bursitis, tendonitis, and musculoskeletal pain.