Celebrex (celecoxib) is a medication that treats mild to moderate pain and inflammation. It’s a type of NSAID. Celebrex (celecoxib) is a prescription capsule used for osteoarthritis, other forms of arthritis, pain, and menstrual cramps. Learn about side effects and more. 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. Celebrex is a nonsteroidal anti-inflammatory drug (NSAID) used to treat arthritis, menstrual cramps, and other types of short-term pain. 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. 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. 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. Learn about Celebrex (celecoxib) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Celebrex (Celecoxib) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Learn about the side effects of Celebrex (celecoxib), from common to rare, for consumers and healthcare professionals.