Flexi SR 200 mg is a sustained-release tablet formulated with Aceclofenac 200 mg, a non-steroidal anti-inflammatory drug (NSAID) produced by Square Pharmaceuticals Ltd. This medication is designed to provide prolonged relief from pain and inflammation associated with conditions such as osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, dental pain, trauma-related discomfort, and lower back pain.