there are 2 type of Pain , acute and chronic. Acute pain could be caused by insect bites, burns and broken bones. Cause of chronic pain is infection, injury, accidents. Pain is an important signal that body has been damaged and destroy quality of life.
For example shingles or herpes zoster caused by chickenpox virus. Common signs are itchy, tender, painful rash and post herpetic neuralgia. So attention is required to treat that damage. Coping mechanisms for chronic pain often involve the use of pain reliever. In the past 10 years, focused on the benefits of opioid such as morphine. The fact is, when used appropriately, morphine are safe, efficacy and preparations which are easier to take.
The World Health Organization(WHO) has a so-called Analgesic Ladder to help explain how pain relievers are best given and pharmacy around Australia providing the self care health information. Then the patient support group, has again organized National Pain week to raise awareness of both the problems of chronic pain and some of the effective pain control strategies.