Patients experience pain when pain signals are transmitted from the affected site to the brain. The severity of pain may range from a mild headache to excruciating pain, such as pain from a kidney stone or labor pain. Pain medications block or reduce the flow of signals from the affected organ to the brain. Different pain management strategies are used for managing acute and chronic pain.
Some of the advantages of patient-controlled analgesia pumps are:
Conditions for using epidural steroid injections are: