How to block pain?

How to block pain? Intended to block pain and reduce or eliminate pain. Many ways can be done to block pain, based on understanding the mechanisms of pain:1. Blocking the formation of pain mediators, particularly PG, namely by providing analgesic steroids (prednisone, dexamethasone), or nonsteroidal (aspirin, paracetamol, ibuprofen, etc.). Steroidal analgesic (NSAID) is the more prominent is the