What are the side effects of Voltaren (diclofenac)?

Side effects of Voltaren (diclofenac) include upset stomach, mild heartburn, mild stomach pain, diarrhea, constipation, bloating, gas, dizziness, headache, and nervousness. Let your doctor know if you have these side effects.
Serious side effects requiring immediate medical care include chest pain, weakness, shortness of breath, slurred speech, vision problems, itching, rash, blurred vision, and ringing in the ears, balance issues, bloody stools, black or tarry stools, coughing up blood, vomit that resembles coffee grounds, rapid weight gain, swelling, reduction in urine output, nausea, stomach pain, fever, appetite loss, darkened urine, clay-colored stools, jaundice, sore throat, headache, blistering skin rash, bruising, tingling, numbness, pain, muscle weakness, neck stiffness, chills, heightened light sensitivity, purple skin spots, and seizures. If you develop any symptoms of an allergic reaction, including hives, difficulty breathing, or swelling in the face, lips, tongue, or throat, seek emergency medical attention, call 911.

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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.