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Diclofenac Sodium Topical Solution
Diclofenac sodium topical solution is a product used to treat the symptoms of osteoarthritis of the knee. It is usually applied to the skin four times a day. The medication works by blocking the production of various inflammatory substances in the body. Skin reactions at the application site are the most common side effects of this prescription NSAID.
Diclofenac sodium topical solution (Pennsaid®) is a prescription medication approved for the treatment of osteoarthritis of the knee.
(Click What Is Diclofenac Sodium Topical Solution Used For? for more information, including possible off-label uses.)
Just like any medicine, diclofenac sodium topical solution may cause side effects. However, not everyone who takes the drug will experience problems. In fact, most people tolerate it quite well.
If side effects do occur, in most cases, they are minor and either require no treatment or can be treated easily by you or your healthcare provider. Serious reactions are less common.
In studies, skin reactions at the application site were the most common side effects of this medication.
(Click Side Effects of Diclofenac Sodium Topical Solution to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD