CELEBREX (celecoxib) capsule is a nonsteroidal anti-inflammatory drug, available as capsules containing 50 mg, 100 mg, 200 mg and 400 mg celecoxib for oral administration. The chemical name is 4-[5-(4-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl] benzenesulfonamide and is a diaryl-substituted pyrazole. The molecular weight is 381.38. Its molecular formula is C17H14F3N3O2S, and it has the following chemical structure:
Celecoxib is a white to off-white powder with a pKa of 11.1 (sulfonamide moiety). Celecoxib is hydrophobic (log P is 3.5) and is practically insoluble in aqueous media at physiological pH range.
The inactive ingredients in CELEBREX include: croscarmellose sodium, edible inks, gelatin, lactose monohydrate, magnesium stearate, povidone and sodium lauryl sulfate.
What are the possible side effects of celecoxib (Celebrex)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using celecoxib and call your doctor at once if you have a serious side effect such as:
• chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance;
• black, bloody, or tarry stools;
• coughing up blood or vomit that looks like coffee grounds;
• swelling or rapid weight gain;
• urinating less than usual or not at all;
• nausea, upper stomach pain,…
Before taking celecoxib, tell your doctor or pharmacist if you are allergic to it; or to aspirin, other NSAIDs (such as ibuprofen), other COX-2 inhibitors; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma (including a history of worsening breathing after taking aspirin or other NSAIDs), liver disease, stomach/intestine/esophagus problems (such as bleeding, ulcers, recurring heartburn), heart disease (such as angina, heart attack), high blood pressure, stroke, blood disorders (such as anemia, bleeding/clotting….