Metamizole sodium (Dipyrone) is an orally active cyclooxygenase ( COX ) inhibitor. Metamizole sodiumcan inhibit cell proliferation and promote cell apoptosis . Metamizole sodiumhas anti-inflammatory and antioxidant activities. Metamizole sodium is an antipyretic, analgesic and spasmolytic agent. .Metamizole sodiumcan be used in research to relieve a variety of pain.