Fifty percent of modern NSAID prescriptions are for osteoarthritis, the most common form of arthritis, and the most prevalent pain condition in the United States, affecting around 30 million people. The most used NSAID worldwide is diclofenac and it is available as a pill, a gel, a cream, and a patch; it is currently the most effective treatment for osteoarthritis, with nearly 100 percent of patients reporting at least moderate relief from arthritic pain. The availability of a diclofenac patch has signaled a new promise for patients. The gels and creams are meant only to be absorbed by the
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