Diclofenac sodium is a nonsteroidal anti-inflammatory drug (NSAID) that is commonly used to relieve pain and inflammation associated with a variety of conditions, including osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, and menstrual cramps. It works by blocking the production of certain chemicals in the body that cause pain and inflammation.
Diclofenac sodium is available in several different forms, including oral tablets, capsules, and liquids, as well as topical gels and patches that can be applied directly to the skin. It is usually taken with food to help prevent stomach upset.
Like all NSAIDs, diclofenac sodium can cause side effects, particularly in high doses or with long-term use. Common side effects may include stomach pain, nausea, vomiting, and diarrhea. More serious side effects can include stomach ulcers or bleeding, liver or kidney problems, and an increased risk of heart attack or stroke. It is important to use diclofenac sodium only as directed and to discuss any concerns or questions with a healthcare provider.