| According to the National Institutes of Health, Around 50 million Americans spend US $ 4 billion on pain relief drugs every year to relive different types of pains. Pain relief drugs are specifically taken for eliminating mild or moderate pains, which arises from a physical injury or disease. The global pain relief medicines market is outpoured with gamut of drugs like antipyretic, anti-inflammatories, prednisone, codeine, morphine, analgin, tramadol, aspirin, ibuprofen, buprenorphine diclofenac, paracetamol, oxycontin, codeine and naproxen. These medicines can cure and heal pain happening in back, legs, knees, neck, shoulders, arms, spinal cord, head, or stomach. The value of the pharmaceutical industry for pain relief drugs segment is approximately US $ 26 billion.