Etrosa MR 60mg/4mg Tablet is a combination medication containing Etoricoxib 60mg and Thiocolchicoside 4mg, designed to provide effective relief from pain and inflammation associated with musculoskeletal conditions. Etoricoxib, a selective COX-2 inhibitor, works by reducing the production of prostaglandins responsible for inflammation and pain, making it particularly useful in managing arthritis, osteoarthritis, and acute musculoskeletal injuries. Thiocolchicoside, a muscle relaxant, acts on the central nervous system to alleviate muscle spasms and stiffness, enhancing mobility and comfort. The modified-release formulation ensures a sustained therapeutic effect, allowing for convenient once-daily dosing and improved patient compliance. Etrosa MR is commonly prescribed for conditions such as lower back pain, muscle strains, and inflammatory joint disorders, providing both analgesic and antispasmodic benefits. Patients should use this medication under medical supervision, as it may have contraindications in individuals with cardiovascular issues, gastrointestinal ulcers, or hypersensitivity to its components. Common side effects may include gastrointestinal discomfort, dizziness, or mild allergic reactions. It is important to follow the prescribed dosage and consult a healthcare professional before use, especially in pregnant or breastfeeding women, or those with pre-existing health conditions.