Diovan, also known by the generic name valsartan, is a prescription drug that helps to lower blood pressure. Diovan works by blocking angiotensin receptors to relax and widen blood vessels to increase blood flow. Diovan is generally well tolerated and has few side effects. Potential complications of Diovan should be discussed with a physician.
Headaches and Dizziness
Headaches are a relatively common side effect of Diovan, occurring in about 10 percent of patients, depending on dose. Drug safety information reproduced by Drugs.com explains that in addition to headaches, dizziness occurs in up to 14 percent of Diovan users. While dizziness is common with Diovan use, vertigo is relatively rare, occurring in less than 1 percent of patients. Dizziness is sometimes a reaction to a drop in blood pressure that may occur with Diovan use.
Muscle Pain
About 6 percent of Diovan users experience some form of musculoskeletal pain. Such muscle pain typically manifests as back pain, muscle cramps or simply general pain in the muscles. The Mayo Clinic explains that joint pain and difficulty in making movements may also occur with Diovan usage. These complications are typically harmless and do not require immediate medical attention.
Upset Stomach
Mild stomach problems, including indigestion, abdominal pain, gas and diarrhea, can occur with Diovan use. Nausea and vomiting may also result. In very rare cases, nausea can also be a sign of a dangerous allergic reaction to Diovan. People who experience nausea in combination with other symptoms of allergic shock, or anaphylaxis--including skin hives, facial swelling and rapid heart beat--should seek emergency medical attention.
Kidney Problems
Kidney problems can occur with Diovan use. Drug safety information provided by Novartis at Diovan.com explains that people using Diovan should seek medical assistance if they experience swelling in the hands, feet or ankles, or if they experience sudden weight gain. Individuals should discuss their prior history of kidney or liver problems with a doctor before beginning Diovan therapy.
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