Diclofenac Na (Diclofenac sodium; brand name Voltaren) is a commonly prescribed nonsteroidal anti-inflammatory drug (NSAID) used in the treatment of pain from arthritis, inflammation and migraines. This preparation of Diclofenac is most typically taken orally in tablet form. While many of the side effects of Diclofenac are mild, some can be dangerous and severe and should be kept in mind while using this drug.
Common Side Effects
According to the Mayo Clinic, the most common side effects of Diclofenac Na are ringing in the ears, weakness, bloating and gaseousness. These side effects are typically mild and occur in response to the initial use of Diclofenac. Let your doctor know if these or other side effects persist or become uncomfortable.
Severe Reactions
Severe allergic reactions to Diclofenac are rare but very dangerous. Seek emergency help if you experience any anaphylactic symptoms while using Diclofenac. The Johns Hopkins Complete Home Guide to Pills and Medicines and the Mayo Clinic list such symptoms as wheezing and shortness of breath, swelling, rapid pulse and faintness.
Stomach Related Effects
A number of side effects of Diclofenac Na also act on the stomach or gastrointestinal (GI) tract. According to the National Institutes of Health (NIH), these side effects can be the sign of a dangerous reaction and should be reported to a doctor. The most common long-term GI side effect of Diclofenac is peptic ulcers. More immediate side effects include nausea, diarrhea, intestinal bleeding, bloody or tar-like stool and difficulties with urination.
Skin Reactions
Dangerous reactions to Diclofenac can also manifest through the skin. The Mayo Clinic and NIH list potentially dangerous skin-related side effects as loosening of the skin, changes in skin color, yellowing of the skin and eyes and hives.
Cardiac Problems
There are also rare reports of dangerous cardiac side effects of Diclofenac Na. Talk to you doctor right away if you notice any heart issues while taking Diclofenac, including chest pain, increased pulse, shortness of breath and flushing of the skin.
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