Nonsteroidal anti-inflammatory drugs (NSAIDs) are a common treatment for osteoarthritis. But the kind you take by mouth, called oral NSAIDs, can cause stomach upset and heart problems. Topical nonsteroidal anti-inflammatory drugs, however, have a lower risk of both.
Several topical products (Voltaren Arthritis Pain, Pennsaid, others) are made with a nonsteroidal anti-inflammatory medicine called diclofenac. They treat osteoarthritis in joints that are close to the skin, such as the hands and knees. These products were once available only by prescription. But now you can get them without a prescription.
Some studies show that many nonsteroidal anti-inflammatory creams and gels work as well as oral nonsteroidal anti-inflammatory drugs. For older people or those who can't take nonsteroidal anti-inflammatory drugs by mouth, topical NSAIDs might be a good choice.
Topical nonsteroidal anti-inflammatory creams and gels can be used as needed or every day. They work best when combined with exercises prescribed by a health care professional. For knee osteoarthritis, weight loss also is important for anyone who's overweight.