Celecoxib when to take no special requirements, in order to reduce gastrointestinal irritation and other adverse reactions, clinically recommended to be taken after meals, the specific need to follow the doctor’s instructions for medication. Celecoxib commonly used dosage form for celecoxib capsules, this product has no specific requirements for the time of taking, and celecoxib dosage time is not affected by eating. However, the common adverse effects of this product include nausea, gastrointestinal bleeding, etc. Therefore, it is mostly recommended to take it after meals to minimize gastrointestinal irritation. Celecoxib belongs to non-steroidal anti-inflammatory drugs, which have antipyretic, analgesic and anti-inflammatory effects. Celecoxib can be used to relieve the signs and symptoms of osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, as well as acute pain and so on. Common adverse reactions to this product include hepatotoxicity, hypertension, heart failure, edema, nephrotoxicity, hyperkalemia, in addition to nausea, gastrointestinal bleeding, ulceration, and perforation. This product is contraindicated in persons who are hypersensitive to the components of the product, known hypersensitivity to sulfonamide, persons with active peptic ulcers/bleeding, and persons with severe heart failure. Avoid combining celecoxib with other NSAIDs, including selective COX-2 inhibitors. NSAIDs, including this product, should be used with caution in patients with hypertension, and blood pressure should be closely monitored at the start and throughout the course of treatment. It is recommended that the drug be used appropriately under medical supervision to avoid adverse effects.