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What should I know about diclofenac topical gel before using it?

Do not use diclofenac if you have asthma or if you have had a severe allergic reaction to aspirin or NSAIDs.  Diclofenac topical gel can cause minor side effects, such as skin irritation at the application site, mild stomach upset, nausea or diarrhea. Diclofenac topical gel is a non-steroidal anti-inflammatory drug (NSAID), which can cause more severe side effects in some people. These can include an allergic reaction, which could cause hives, trouble breathing or swollen tongue or mouth. Other severe side effects to watch out for include; black, tarry stool; dark, grainy or bloody vomit; reduced urination; pale stool; swelling or sudden weight gain; yellowing around the eyes; and confusion or depression. These risks may increase with long-term use. Call a doctor immediately if you have any of these symptoms.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.