Pain is an unpleasant sensory and emotional experience caused due to tissue damage or illness. It is caused due to injury and various diseases such as osteoarthritis, chronic arthritis, diabetic neuropathy, multiple sclerosis, stomach ulcer, fibromyalgia and cancer. It can be classified on the basis of duration as acute pain and chronic pain. Acute pain is sudden onset of pain where as chronic pain persists for long periods. Chronic pain is mainly caused due to aging conditions of bone and joints and nerve damage and injury. Pain is managed by a particular set of drugs to reduce the symptoms or treat pain. Pain process is complex and there are various drugs that provide relief by acting through a variety of physiological mechanism. Opioids are the most prescribed pain medication. These are narcotic pain medications containing natural and synthetic opiates. Opioids are usually used for acute pain, such as short-term pain after surgery. Morphine, Fentanyl, Oxycodone and Codeine are some of the opioids used for pain management.
North America dominates the global market for pain management drugs due to large number of aging population and favorable regulatory and healthcare reforms such as the U.S. Patient Protection and Affordable Care Act of 2010. Asia is expected to show high growth rates in the next five years in global pain management drugs market. China and India are expected to be the fastest growing pain management drugs markets in Asia-Pacific region. Some of the key driving forces for pain management drugs market in emerging countries are increasing R&D investment, large pool of patients, increasing healthcare expenditure and rising government funding and initiatives.
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