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Hypersensitivity to diclofenac or other medicines used to treat pain, fever or inflammation, such as ibuprofen or aspirin (also used to prevent blood clotting), or any of the other ingredients of Voltaren 24 Hour Patch.
Symptoms of an allergic reaction may include: Wheezing or shortness of breathe (asthma); skin rash with blisters or hives; swelling of the face or tongue, runny nose.
Last 3 months of pregnancy.
