Diovan HCT is a combination drug. It contains valsartan (Diovan), an angiotensin receptor blocker (ARB), and hydrochlorothiazide (HCTZ), a diuretic (water pill), states PDR Health. This medication is used in the treatment of high blood pressure. You may not take Diovan HCT if pregnant or if planning to become pregnant due to the increased risk of birth defects. There are side effects of Diovan HCT that you should be aware of.
Drowsiness and Dizziness
You may experience drowsiness and dizziness while taking Diovan HCT. You may seem more tired than usual and feel lightheaded, so use caution while driving or operating dangerous machinery until you know how this medication will affect you. Drowsiness and dizziness may worsen if you drink alcohol while taking Diovan HCT. These side effects usually diminish after your body adjusts to this medication. Dizziness also can be a symptom of hypotension (low blood pressure) and should be reported to your health care provider.
Photosensitivity
You may be more sensitive to the sun while taking this medication. Avoid the sun, sunlamps or tanning booths until you know how you react to Diovan HCT, states Drugs.com. If you plan on being outside in the sun, wear sunblock and protective clothing.
Digestive Problems
You may experience digestive problems while taking Diovan HCT. Diarrhea, constipation, nausea, vomiting or abdominal pain can occur. These effects may lessen over time as your body adjusts to this medication. Eating a sensible diet high in fiber, fruits and vegetables and avoiding spicy or fatty foods may help to combat digestive problems. If diarrhea or vomiting become severe, you run the risk of becoming dehydrated. Contact your physician if digestive symptoms become severe.
Headache
You may experience headaches while taking Diovan HCT. This side effect may diminish over time as your body adjusts to Diovan HCT. You can treat your headache with acetaminophen or ibuprofen as per your doctor's consent. If your headache becomes severe and is accompanied by fever, fainting or changes in vision, contact your health care provider.
Allergic Reaction
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips or tongue) can occur while taking Diovan HCT, reports Drugs.com. If you experience any of these symptoms, seek emergency medical attention.
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