There is no such thing as a few days of Celecoxib to achieve the best results, because there are individual differences, some patients may take Celecoxib for about a week to relieve symptoms, but some patients may need more than a week or less than a week to relieve symptoms. Celecoxib is a non-steroidal anti-inflammatory drug that inhibits prostaglandin production by inhibiting cyclooxygenase-2, and is used clinically to relieve the signs and symptoms of osteoarthritis, adult rheumatoid arthritis, and ankylosing spondylitis in the treatment of acute pain in adults. The dosage of Celecoxib varies from disease to disease, and some patients may experience good symptomatic relief after one week of administration, but due to individual differences, some patients may require more than one week or less than one week to achieve symptomatic relief. The use of celecoxib should be under the guidance of a medical professional, adverse reactions include abdominal pain, diarrhea, nausea, dizziness, headache, rash, etc. This product is contraindicated in people who are allergic to celecoxib, people who are allergic to sulfanilamide, coronary artery bypass bypass grafting surgery, patients with active gastrointestinal tract ulcers/blooding, patients with severe heart failure. CAUTION: Administration of celecoxib may increase the risk of serious cardiovascular thrombotic events, including myocardial infarction and stroke, the risk of which may be fatal. Celecoxib can cause new-onset hypertension or exacerbate pre-existing hypertension, either of which can lead to an increased incidence of cardiovascular events. Patients in need of celecoxib are advised to consult a medical professional and not to take it privately.