Zulu AT 4 Tablet is a combination medication containing Aceclofenac 100 mg and Thiocolchicoside 4 mg, formulated for the management of musculoskeletal pain and inflammation associated with conditions such as osteoarthritis, rheumatoid arthritis, and acute musculoskeletal disorders. Aceclofenac, a non-steroidal anti-inflammatory drug (NSAID), exerts its therapeutic effect by inhibiting cyclooxygenase enzymes (COX-1 and COX-2), thereby reducing the synthesis of prostaglandins responsible for pain, inflammation, and swelling. Thiocolchicoside is a muscle relaxant with anti-inflammatory properties that acts as a selective gamma-aminobutyric acid (GABA) receptor agonist, helping to alleviate muscle spasms and improve mobility. The synergistic action of these two active ingredients provides effective relief from pain and muscle stiffness, enhancing patient comfort and functional capacity. Zulu AT 4 Tablet is typically prescribed for short-term use under medical supervision due to potential side effects associated with NSAIDs, such as gastrointestinal irritation, cardiovascular risks, and renal impairment. Caution is advised in patients with a history of hypersensitivity, peptic ulcers, or hepatic dysfunction. It is important to adhere to the recommended dosage and consult a healthcare professional before initiating therapy to ensure safety and efficacy.