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Diovan
Valsartan
$192.00
40mg · 6 × 28 tablets · 3 months supply
Brand· By Novartis
$64.00 per month
Brand or generic
Generic packs carry the same active ingredient at the same strength.
Strength
How long a supply?
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Annual cost
$832a year at this pack size
Prescription required
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40mg
80mg
160mg
FDA boxed warningFetal toxicity
When pregnancy is detected, discontinue Diovan as soon as possible.
Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.
About Diovan
Overview
Diovan contains valsartan, an angiotensin II receptor blocker (ARB), and is taken as a tablet. It treats high blood pressure and heart failure, and can reduce hospital admissions for heart failure. It is also used to reduce the risk of cardiovascular death in clinically stable patients whose heart’s left pumping chamber is weakened or not working properly after a heart attack. It works by blocking the effects of angiotensin II that narrow blood vessels and trigger the release of aldosterone, a hormone involved in salt retention.
What it treats
- High blood pressure (hypertension), to lower blood pressure and reduce the risk of cardiovascular events, mainly stroke and heart attack. - Heart failure (NYHA class II–IV), to reduce hospitalisation for heart failure. - Left ventricular failure or dysfunction after a heart attack in clinically stable patients, to reduce the risk of cardiovascular death.
Safety information
Side effects
Common side effects include headache, dizziness, tiredness, abdominal pain and viral infections. In people treated for heart failure, common side effects also include low blood pressure, diarrhoea, joint pain, back pain and high blood potassium. After a heart attack, low blood pressure, cough and increased blood creatinine were the most common adverse reactions that led people to stop treatment. Contact your doctor if you develop low blood pressure or are told that your potassium or blood creatinine is elevated. Your doctor may need to monitor kidney function and potassium levels, particularly if you are at risk.
FDA boxed warning
Fetal toxicity
When pregnancy is detected, discontinue Diovan as soon as possible.
Drugs that act directly on the renin-angiotensin system can cause injury and death to the developing fetus.
A boxed warning is the strongest warning the US Food and Drug Administration requires on a medicine label. Text is taken from the official label, with internal section references removed.
When to call your doctor
If symptoms are severe or getting worse quickly, seek emergency care rather than waiting.
Before taking this medicine
Do not take Diovan if you are allergic to valsartan or any other ingredient. Do not take it with aliskiren if you have diabetes. Watch for signs and symptoms of low blood pressure. Kidney function and potassium levels should be monitored in patients at risk. If you are breastfeeding, either breastfeeding or Diovan should be discontinued; discuss this with your prescriber. Use is not recommended in children under 6 years of age.
Interactions
Potassium supplements, potassium-containing salt substitutes, potassium-sparing diuretics (such as spironolactone, triamterene or amiloride), and other medicines that raise potassium, such as heparin, can increase blood potassium when taken with Diovan. Blood potassium monitoring may be needed. NSAIDs, including COX-2 inhibitors, may reduce Diovan’s blood-pressure-lowering effect and worsen kidney function, sometimes causing acute kidney failure. This risk is greater in older people, those with low fluid levels, including people taking diuretics, and those with existing kidney problems. Kidney function should be monitored during combined use. Combining Diovan with ACE inhibitors, other angiotensin receptor blockers or aliskiren increases the risk of low blood pressure, high potassium and kidney problems, usually without additional benefit. These combinations should generally be avoided. Aliskiren must not be taken with Diovan by people with diabetes and should be avoided in people with impaired kidney function. Diovan can increase lithium levels and the risk of lithium toxicity. Blood lithium levels should be monitored if they are used together. Rifampin, cyclosporine and ritonavir may increase the amount of valsartan in the bloodstream. Tell your doctor if you take any of these medicines.
Using Diovan
Dosing
Dosing is set by your prescriber. Each health care professional may prescribe medication differently according to a patient's medical history and condition, so follow the directions on your prescription label and speak to your doctor or pharmacist before changing anything.
Storage
Store below 25°C in a dry place, in the original pack, away from direct light and moisture. Do not keep it in a bathroom. Keep all medicines out of the sight and reach of children.
Clinical information on this page is summarised from the US FDA label DIOVAN (VALSARTAN) TABLET [CARILION MATERIALS MANAGEMENT] (DailyMed, retrieved 19 September 2026).
Patient information and references
Official and supporting information to read alongside advice from your prescriber or pharmacist.
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