Summary
Diclofenac is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce pain, inflammation, and stiffness caused by osteoarthritis, rheumatoid arthritis, and other conditions.
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It comes in tablets, capsules, and solution form.
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It works by blocking the body's production of certain natural substances that cause inflammation.
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Diclofenac is used to treat mild to moderate pain, or signs and symptoms of osteoarthritis or rheumatoid arthritis.
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It is important to follow the doctor's instructions when taking diclofenac and to report any unusual problems to the doctor.
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