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Sartans (ARBs)

Valsartan

Also sold as: Diovan

Prescription neededSartans (ARBs)
Comes as:TabletCapsule

Usual adult dose

High blood pressure: 80 to 160 mg once a day, maximum 320 mg. Heart failure: start 40 mg twice a day and increase slowly up to 160 mg twice a day as set by your doctor.

Your doctor may give you a different dose. Children's doses depend on weight.

Side effects

Common

  • dizziness
  • tiredness
  • back or leg pain

Serious — get help

Stop taking it and see a doctor straight away if you notice:

  • swelling of face or throat (rare)
  • fainting
  • very high potassium (weakness
  • irregular heartbeat)
  • kidney problems

Do not take it, or take care, if

  • Pregnancy (can harm the baby)
  • Severe liver disease
  • Kidney disease or high potassium (use with caution)
  • Do not combine with an ACE inhibitor unless your doctor says so

Interactions

Medicines that can react with this one.

Serious2 medicinesDo not take these together unless your doctor says so.
  • Potassium chloride

    Potassium supplements with an ARB can cause dangerously high potassium.

  • Spironolactone

    Together they can raise potassium to dangerous levels; blood tests are needed.

Moderate2 medicinesTake together only with care. Ask your doctor or pharmacist.
  • Ibuprofen

    NSAIDs reduce the blood pressure effect and raise the risk of kidney damage.

  • Lithium carbonate

    ARBs can raise lithium levels; levels should be checked.

Pregnancy

  1. A
  2. B
  3. C
  4. D
  5. X

Category D

There is evidence of risk to the baby. Used only in serious situations when safer medicines do not work.

Generic alternatives

Similar medicines your doctor or pharmacist may offer instead.

  • Losartan
  • Telmisartan
  • Irbesartan
  • Candesartan
Check with my other medicines

Always follow your doctor or pharmacistThis page is general information, not a prescription. Do not start, stop or change a medicine on your own.