Topical diclofenac for osteoarthritis comes as gel (Voltaren) to apply to the affected skin area four times a day to treat arthritis pain. Topical diclofenac for osteoarthritis also comes as a 1.5% liquid (Pennsaid) to apply to the knee four times a day. Topical diclofenac for osteoarthritis also comes as a 2% liquid (Pennsaid) to apply to the knee twice a day. Apply diclofenac gel (Voltaren) or liquid (Pennsaid) at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use topical diclofenac (Pennsaid, Voltaren) exactly as directed. Do not use more or less of it or use it more often or for a longer period of time than prescribed by your doctor. Do not apply the gel or liquid to any area of your body that your doctor did not tell you to treat.
Apply diclofenac gel (Voltaren) or liquid (Pennsaid) to clean, dry skin. Do not apply the medication to skin that is broken, peeling, infected, swollen, or covered with a rash.
Diclofenac gel (Voltaren) and liquid (Pennsaid) are only for use on the skin. Be careful not to get the medication in your eyes, nose, or mouth. If you do get the medication in your eyes, rinse your eyes with plenty of water or saline. If your eye(s) are still irritated after one hour, call your doctor.
After you apply diclofenac gel (Voltaren) or liquid (Pennsaid), you should not cover the treated area with any type of dressing or bandage and you should not apply heat to the area. You should not shower or bathe for at least 30 minutes after you apply the liquid (Pennsaid) and for at least 1 hour after you apply the gel (Voltaren). Do not cover the treated area with clothes or gloves for 10 minutes after you apply the gel (Voltaren), or until the liquid (Pennsaid) has dried if you are using the liquid