Valsartan

Valsartan is a medication used to treat high blood pressure (hypertension) and heart failure. It helps relax blood vessels, improving blood flow and reducing strain on the heart. If you’ve been prescribed valsartan, here’s what you need to know.

What is valsartan?

Valsartan is an angiotensin II receptor blocker (ARB) that lowers blood pressure and helps prevent complications related to high blood pressure and heart disease.

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How does valsartan work?

Valsartan blocks the effects of angiotensin II, a hormone that narrows blood vessels. This helps relax and widen the blood vessels, reducing blood pressure and improving circulation.

What is valsartan used to treat?

Valsartan is commonly prescribed for:

  • High blood pressure (hypertension) (to lower the risk of strokes and heart attacks)
  • Heart failure (to improve heart function and reduce symptoms)
  • Recovery after a heart attack (to reduce strain on the heart)

Who can take valsartan?

Valsartan is suitable for most adults and some children over 6 years old, as prescribed by a doctor.

Who might not be able to take valsartan?

Valsartan may not be suitable if you:

  • Have severe kidney or liver disease
  • Have low blood pressure (hypotension)
  • Are pregnant or planning to conceive
  • Are taking other medications that affect blood pressure or potassium levels

Can I take valsartan if I’m pregnant or breastfeeding?

Valsartan isn’t recommended during pregnancy or breastfeeding, as it may harm the baby. Speak to your doctor about safer alternatives.

What if I miss a dose?

If you forget a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.

How effective is valsartan?

Valsartan is highly effective at lowering blood pressure and managing heart failure when taken consistently.

What should I do if I take too much?

Taking too much valsartan can cause dangerously low blood pressure, dizziness, or fainting. If you think you’ve taken too much, seek emergency medical help immediately.

What dose of valsartan is usually taken?

  • For high blood pressure: 80mg to 320mg once daily
  • For heart failure: 40mg to 160mg twice daily
  • For post-heart attack treatment: 20mg to 160mg twice daily

Your doctor will determine the correct dose based on your condition.

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What are the side effects of valsartan?

Common side effects include:

  • Dizziness or lightheadedness
  • Fatigue
  • Increased potassium levels (which may cause muscle weakness or irregular heartbeat)
  • Nausea

Serious side effects, such as severe dizziness, kidney problems, or allergic reactions, require urgent medical attention.

How should I take valsartan?

Valsartan is taken as tablets or capsules, usually once daily, with or without food.

When should valsartan be taken?

Valsartan should be taken at the same time each day, as prescribed by your doctor.

What are the brand names for valsartan?

Valsartan is available as a generic medicine, but some branded versions include:

  • Diovan
  • Entresto (when combined with sacubitril for heart failure)

Final thoughts

Valsartan is an effective medication for high blood pressure and heart failure, but it should be taken exactly as prescribed. Regular monitoring of blood pressure and kidney function may be needed. If side effects occur, speak to your doctor or pharmacist.

Always consult a medical professional
This article is for informational purposes only and is not a substitute for medical advice. Always consult a healthcare professional before starting, stopping or changing any medication. If you have concerns about your medication or experience side effects, speak to your doctor or pharmacist immediately.

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