Arcoxia (etoricoxib) 90mg is a prescription medication used to treat pain and inflammation associated with osteoarthritis, rheumatoid arthritis, and acute gouty arthritis. Each pack contains 28 tablets and is manufactured by MSD. This medication belongs to a class of drugs called COX-2 selective nonsteroidal anti-inflammatory drugs (NSAIDs). The tablets should be stored below 30°C as indicated on the packaging. This is a prescription-only medicine that should be taken under medical supervision. The recommended dosage varies depending on the condition being treated. Common side effects may include stomach pain, headache, dizziness, and fluid retention. Consult your healthcare provider before use.