People with heart disease – or risk factors for heart disease – may be at higher risk of serious blood clots, heart attack and stroke if they use the patch, and it should not be used to relieve pain after heart bypass surgery. It is applied directly to intact skin in the area of an acute injury, such as a muscle or tendon strain, bruise or joint sprain and can be reapplied every 12 hours. The side effects of anti-inflammatory pills – upset stomach, nausea and potentially dangerous stomach bleeding and ulcers – are reduced with the patch because its puts less pain reliever into bloodstream, Bridgewater, N.J.-based Alpharma Inc. The Flector patch, now available by prescription in drugstores across the United States, measures about 4 inches by 5 1/2 inches and is meant for short-term use. As a pill, diclofenac is sold under the brand name Voltaren. The Flector patch contains 180 milligrams of diclofenac, one of the world’s most widely used nonsteroidal anti-inflammatory drugs. and is intended to produce fewer side effects than similar pills, maker Alpharma Inc. The first pain patch using an anti-inflammatory drug to relieve acute sprains and strains is now available in the U.S.
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