The maximum dose of etoricoxib taken in a day varies according to the disease being treated, such as the maximum dose of 60mg/day in the treatment of osteoarthritis, the maximum dose of 120mg/day in the treatment of primary dysmenorrhea, and so on. Etoricoxib instructions pointed out that this product for the treatment of osteoarthritis, the maximum dose of 60mg a day, acute gouty arthritis, primary dysmenorrhea, the maximum dose of 120mg a day, the specific dosage should be under the guidance of a doctor to use the drug. Etoricoxib belongs to a kind of non-steroidal anti-inflammatory drug, has analgesic, anti-inflammatory, antipyretic effect, can be used for the treatment of osteoarthritis, acute gouty arthritis, primary dysmenorrhea and so on. Adverse effects of this product can be seen in infections, seasonal allergies, diabetes, anxiety, abnormal sensations, drowsiness, conjunctivitis, tinnitus, palpitations (rapid heartbeat, often accompanied by panic), diastolic hypertension, and cough. The drug is contraindicated in people who are allergic to the components of the product, people with active peptic ulcers/bleeding, congestive heart failure, ischemic heart disease. Note that Etoricoxib should not be used concurrently with other NSAIDs, while the smallest dose should be used while controlling symptoms and avoiding prolonged use. Etoricoxib must be used under the supervision of a doctor, and should not be used privately or increased or decreased in dosage.