Celebrex (celecoxib) is a medication that treats mild to moderate pain and inflammation. It’s a type of NSAID. Celebrex (Celecoxib) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. It was co-promoted by Monsanto Company (parent company of Searle) and Pfizer under the brand name Celebrex. Monsanto merged with Pharmacia, from which the Medical Research Division was acquired by Pfizer, giving Pfizer ownership of Celebrex. Learn about the side effects of Celebrex (celecoxib), from common to rare, for consumers and healthcare professionals. Overview: Celecoxib is used for pain and swelling caused by arthritis and other conditions. Common side effects include stomach pain, upset stomach, heartburn, nausea, or dizziness. Celebrex is a nonsteroidal anti-inflammatory drug (NSAID). It works by reducing hormones that cause inflammation and pain in the body. Celebrex is used to treat pain or inflammation caused by many conditions such as arthritis, ankylosing spondylitis, and menstrual pain. This article describes the dosages of Celebrex, as well as its strengths and how to take it. To learn more about this drug, see this Celebrex overview. CELEBREX is used to treat pain and redness, swelling, and heat (inflammation) from osteoarthritis, rheumatoid arthritis, juvenile rheumatoid arthritis in patients 2 years and older, and ankylosing spondylitis; for the management of acute pain in adults, and for the management of menstrual cramps. Celecoxib is a nonsteroidal anti-inflammatory drug (NSAID) used to treat mild to moderate pain and help relieve symptoms of arthritis (eg, osteoarthritis, rheumatoid arthritis, or juvenile rheumatoid arthritis), such as inflammation, swelling, stiffness, and joint pain. MACOLOGY Mechanism of Action: CELEBREX is a nonsteroidal anti-inflammatory drug that exhibits anti-inflammatory, analgesic, and antipyretic activities in anima.