Diovan (Valsartan)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Diovan Used For?
Diovan is a medication that helps control high blood pressure and supports heart function in individuals with heart failure.
Primary Uses
Diovan is primarily used to treat high blood pressure and heart failure. It is also prescribed after a heart attack to minimize the risk of further heart damage.
How It Works
Diovan works by blocking the action of a substance in the body that causes blood vessels to constrict, leading to lower blood pressure and improved heart function.
Good to know: Diovan is not considered addictive.
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How to Take Diovan
It is important to follow your doctor's instructions when taking Diovan.
Dosage Instructions
For hypertension, the usual starting dose is 80 mg once daily. If blood pressure remains high after 4 weeks, the dose may be increased to between 160 mg and 320 mg daily. For heart failure, the starting dose is typically 40 mg twice daily, which may be gradually increased to 160 mg twice daily. After a heart attack, treatment usually begins at 20 mg twice daily, with possible increases to 160 mg twice daily.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Do not take a double dose.
Important: Never double up on doses to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Headache
- Dizziness
- Tiredness
- Diarrhea
- Constipation
- Muscle or joint pain
- Abdominal pain
- Nausea
- Dry cough
- Sore throat
- Hoarse voice
- Runny or blocked nose
Seek immediate medical attention if you experience:
- Swelling of hands, feet, or limbs
- Rapid or irregular heartbeat
- Shortness of breath
- Chest pain
- Severe dizziness
- Liver disease symptoms (nausea, vomiting, loss of appetite, yellowing of skin and eyes)
Important Warnings
There are specific warnings and precautions to consider when using Diovan.
Who Should Not Take Diovan
Do not use Diovan if you are allergic to Valsartan or any of its ingredients, are pregnant or planning to become pregnant, have severe liver problems, or are taking certain other blood pressure medications like Aliskiren if you have type 2 diabetes.
Medical Conditions to Discuss
Discuss with your doctor if you have heart disease, kidney issues, liver problems, or are on diuretics, beta-blockers, or other medications affecting blood pressure.
Pregnancy and Breastfeeding
Diovan is not recommended during pregnancy as it may harm the unborn baby. It is also advised not to breastfeed while taking Diovan, as the effects on breast milk are unknown.
Drug Interactions
Certain medications may interact with Diovan, affecting its efficacy.
- Beta-blockers
- ACE-inhibitors
- Aliskiren
- Diuretics
- Potassium supplements
- Lithium
- Certain antibiotics (e.g., rifamycins)
- Anti-inflammatory medications (e.g., NSAIDs)
Alcohol & Driving
Be cautious with alcohol consumption and operating machinery while on Diovan.
Alcohol
Alcohol may increase the risk of side effects such as dizziness and tiredness.
Driving and Operating Machinery
Diovan can cause dizziness or sleepiness. If you experience these symptoms, avoid driving or operating heavy machinery.
Storage
Store Diovan tablets in their original packaging in a cool, dry place away from moisture and heat. Keep out of reach of children.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include dizziness, rapid breathing, or fainting.
Frequently Asked Questions
Diovan may take several weeks to show its full effect on blood pressure.
Diovan can be taken with or without food, but it is best to take it at the same time each day.
No, Diovan is not considered addictive.
Do not stop taking Diovan without consulting your doctor, as this may lead to a sudden increase in blood pressure.
It is advisable to limit alcohol intake while taking Diovan, as it may increase the risk of side effects.
Weight gain is not commonly reported as a side effect of Diovan.
Elderly patients should consult their doctor to ensure Diovan is safe for them, especially if they have other health conditions.
If you miss a dose, take it as soon as you remember unless it's almost time for your next dose. Do not double up on doses.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.