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Diovan, containing valsartan, an FDA-approved angiotensin receptor blocker (ARB), treats high blood pressure and heart failure. Available in various strengths, it is typically prescribed once or twice daily, with or without food. Common side effects of Diovan 160 mg include dizziness, fatigue, headache, and upper respiratory infections. Patients should store Diovan in the original packaging at room temperature and follow their healthcare provider’s dosage and monitoring instructions closely. 

Product Overview

Diovan contains valsartan, an angiotensin receptor blocker (ARB) used to treat high blood pressure and heart failure. It works by blocking the action of a chemical that tightens blood vessels, leading to vasodilation, reduced peripheral resistance, and lowered blood pressure. Diovan helps the heart pump more efficiently and improves blood flow to various organs.

Diovan comes in different strengths, usually taken once or twice every day with or without food. It is essential to take it at the same time every day for optimal results. Diovan tablets can be used alone or alongside other medications. It is suitable for use in adults and children one year of age and older who require treatment for hypertension or heart failure.

Common side effects of Diovan include dizziness, fatigue, headache, and upper respiratory infections. It may also increase potassium levels in the blood, especially in patients with diabetes or existing kidney problems. Patients should inform their doctor if these side effects persist or become bothersome. Diovan should be stored at room temperature, away from heat, sunlight, and moisture. Patients should follow their healthcare provider’s instructions regarding dosage, precautions, and monitoring blood pressure while taking Diovan.

Uses of Diovan

  • It is used to treat high blood pressure. 
  • It helps to prevent risks of heart failure and stroke.
  • It is used to treat adult patients after a recent heart failure.

How to Use Diovan?


Diovan is available in different forms, including oral tablets and oral solutions. The tablets come in the following strengths:

  • 40 mg 
  • 80 mg 
  • 160 mg 
  • 320 mg

Recommended Dosage for Different Patients

Usual Adult Dose for Hypertension

Initial dose: 80-160 mg once daily.

Maintenance dose: 80-320 mg once daily

Usual Pediatric Dose for Hypertension

Initial dose: Up to 40 mg daily. 

Maintenance dose: Up to 160 mg daily. 

Usual Adult Dose for Congestive Heart Failure

Initial dose: 40 mg twice daily

Maintenance dose: 80-160 mg twice daily. The maximum maintenance dose depends on the tolerance of the patient. 

Usual Adult Dose for Myocardial Infarction

Initial dose: 20 mg twice daily.

Maintenance dose: The initial dosage may be increased within 7 days to a dosage of 40 mg twice daily, with gradual increase to a maintenance dose of 160 mg twice daily based on the patient’s tolerance. 

[Note: Remember these recommendations may vary depending on person to person. Consult your doctor, and they will customize your dose according to your needs.]

How to Take It?

  • Follow all directions for use with your prescription medication and carefully read the medication guides and instruction sheets. 
  • Following your doctor’s advice regarding the dosage and duration of Diovan, 160 mg is recommended.
  • Do not crush, chew or break the Diovan tablet. Swallow it whole.  
  • Your pharmacist can mix it with some liquid for children who cannot swallow the tablet whole. 
  • For pediatric patients, the dosage of Diovan depends upon their weight. A dosage adjustment might be needed if your child gains or loses weight. 
  • You can take Diovan with or without food, but it is advisable to take it simultaneously daily to ensure consistency and achieve optimal results. 

[Note: Your doctor will decide the right amount for you based on your condition, following guidelines and studies on the drug. They’ll adjust it as needed over time.]

How Does Diovan Work?

Diovan tablets belong to a class of medications called angiotensin receptor blockers. It works by blocking the action of a chemical that typically causes blood vessels to constrict, thereby relaxing the blood vessels. This action reduces blood pressure and allows blood flow to various organs more smoothly, helping the heart pump more efficiently. The active ingredient in Diovan, valsartan, selectively blocks angiotensin II type 1 receptors in different tissues, including blood vessels. Angiotensin II is a vasoconstrictive that narrows blood vessels and raises blood pressure. Diovan causes vasodilation, reduces peripheral resistance, and manages hypertension by preventing angiotensin II from binding to its receptors. Diovan also effectively treats heart failure by reducing the heart’s workload and improving its pumping ability.

Important Safety Information

Side Effects

Common Side Effects

  • Headache
  • Drowsiness
  • Stomach pain
  • Fatigue
  • Blurred vision
  • Low blood pressure
  • Upset stomach
  • Back pain
  • Joint pain
  • Redness, itching and rash

Adverse Side Effects

  • Chest pain
  • Passing out 
  • Irregular heartbeat 
  • Trouble breathing
  • Weight loss 
  • Nausea 
  • Swelling around the lips and eyes.

[Note: This list may not cover all possible side effects. Always consult with your healthcare giver for medical advice about side effects.]


  • Patients with a known allergy to valsartan or any components of Diovan should inform their doctor before using the medicine. 
  • Diovan can elevate potassium levels in the bloodstream, particularly in individuals with diabetes or existing kidney issues.
  • If you have diabetes, do not take Diovan with any blood pressure medication that contains aliskiren.
  • Diovan can change the amount of electrolytes, including potassium, sodium, and magnesium. 
  • You may experience blurred vision or eye pain within hours or weeks of starting to take Diovan. 


  • Avoid taking Diovan during pregnancy or while breastfeeding.
  • Diovan should be used cautiously in patients with impaired hepatic or renal function. 
  • You should closely monitor for symptoms of hypertension. 
  • Diovan should be used with caution in patients with severe kidney and liver disease. 
  • You should not consume alcohol while taking Diovan 160 mg. 

Missed Dose

If you missed a dose of Diovan 160 mg tablet, take it as soon as you remember.However, if it is almost time to take your next dose of the medication, you can skip the missed dosage and take the next dose of Diovan as per schedule. Do not take two doses of Diovan together to compensate for the missed dose. 

[Note: If you have missed a medication dose and are unsure when to take the next one, immediately consult your doctor or pharmacist.]


Symptoms of an overdose of Diovan may include low blood pressure and irregular heartbeat. You may also be feeling like passing out. In such cases, immediately seek medical assistance. You may call 911 or head to the nearest emergency room. 

[Note: If you consumed more than the recommended dose, get medical help immediately or call the Poison Help line at 1-800-222-1222.]


You should store Diovan in its original packaging at room temperature, away from excessive heat, direct sunlight, and moisture. You should keep Diovan and other medications out of reach of children. Do not keep the medication in the bathroom, as the humidity may affect the effectiveness of the medicine. Always check if you have the medicine of the correct strength and expiration date before use. 

[Note: Discuss with your healthcare professional the proper disposal of unused medicine and any questions you may have regarding its storage.]

Diovan Interactions

Here are some classes of drugs that may interact with Diovan:

  1. Potassium-Sparing Diuretics and supplements
  2. Lithium
  3. NSAIDs such as naproxen and ibuprofen 
  4. Antihypertensive drugs, such as ACE inhibitors
  5. Azole antifungal agents, such as ketoconazole
  6. Antibiotics like Rifampin
  7. Dual Endothelin Receptor Antagonists such as bosentan

[Note: This isn’t a complete list, and there could be other drugs that interact with Diovan. Tell your doctor about prescription, over-the-counter medicines, and herbal products.]

Diovan Alternatives

[Note: Your doctor will choose what’s best for you. Don’t use any of these alternative medications without consulting your healthcare provider. Taking them by yourself may cause serious side effects.] 

Frequently Asked Questions

Is Diovan 160 mg tablet effective in treating heart failure?

Yes, Diovan 160 mg tablet can be used to treat heart failure. The medication helps the heart pump blood more efficiently by relaxing the blood vessels and lowering strain on the heart. By blocking certain substances that narrow blood vessels, Diovan improves blood flow, making it a beneficial medication for managing heart failure and enhancing the overall functioning of the heart.

How often should I take Diovan?

Take Diovan exactly as your doctor instructs. Typically, it’s once or twice a day. You can take them with or without food, but try to take them simultaneously daily for consistency. If you skip a dose, take it when you remember, but skip the missed one if it’s almost time for the successive dose.

How long does it take for Diovan to start working?

Diovan may start lowering blood pressure within a few hours, but the full effect might take several weeks. It’s important to continue taking it as prescribed, even if you don’t immediately notice any changes. Your doctor will keep you under monitoring to determine whether you require dosage adjustments to achieve the best results in managing your symptoms of hypertension or other conditions.

Can I take Diovan during pregnancy?

It’s generally not recommended to take Diovan during pregnancy, especially in the second and third trimesters, as it may harm the developing baby. If you’re pregnant or planning to become pregnant, consult your doctor. They can discuss alternative treatments to ensure your health and the baby’s well-being throughout the pregnancy.

Our Guarantee

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