Compare Atacand vs. Avapro

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Atacand
(candesartan)

Avapro
(irbesartan)

Lowers blood pressure. Atacand (candesartan) is a good blood pressure-lowering medicine that protects your kidneys and has few side effects.Lowers blood pressure. Avapro (irbesartan) is a good blood pressure-lowering medicine that protects your kidneys and has few side effects.
Reviews & ratings
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Have you used Atacand (candesartan)?
Worth itNot sureNot worth it

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Have you used Avapro (irbesartan)?
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Side effects
AtacandAvapro
  • Upper respiratory infection 2%
  • Dizziness 1%
  • Back pain 1%
  • Sore throat 1%
  • Runny nose 1%
More Atacand side effects »
  • Fatigue 1%
  • Diarrhea 1%
  • Heartburn 1%
More Avapro side effects »
How it works
AtacandAvapro
Atacand (candesartan) is an angiotensin receptor blocker (ARB). It relaxes blood vessels by blocking a chemical that usually makes blood vessels tighter. This lowers your blood pressure and allows more blood and oxygen to get to your heart and other organs.Avapro (irbesartan) is an angiotensin receptor blocker (ARB). It lowers blood pressure by blocking a chemical that tightens the blood vessels. This allows more blood and oxygen to get to your heart and other organs.
Type of medication
AtacandAvapro
Prescription onlyPrescription only
Available as
AtacandAvapro
  • Pill
  • Pill
Used for
AtacandAvapro
Risk factors for serious side effects
AtacandAvapro
  • Women of childbearing age
  • Infants less than one year old
  • History of kidney problems
  • African descent
  • Current kidney problems
Detailed Atacand (candesartan) risks & warnings »
  • Women of childbearing age
  • History of kidney problems
  • African descent
  • Current kidney problems
  • Using medicines that increase potassium
Detailed Avapro (irbesartan) risks & warnings »
Pregnancy

Research studies with real people found harmful effects on unborn babies, but the benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

Kidneys and liver
AtacandAvapro
  • Atacand (candesartan) can hurt your kidneys. If you already have some degree of kidney damage, Atacand (candesartan) could make it worse. It's important to get blood work done to check your kidney function before starting Atacand (candesartan), and at least once a year while you're still on it.
  • You'll need to have blood tests done regularly since Atacand (candesartan) can affect your kidneys and potassium levels.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Avapro (irbesartan) can hurt your kidneys. If you already have kidney damage, Avapro (irbesartan) could make it worse. Your doctor will do regular blood tests to check your kidneys, usually before you start Avapro (irbesartan), and at least once a year while you're still on it.
  • You'll need to have blood tests done regularly since Avapro (irbesartan) can affect your kidneys and potassium levels.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
Upsides and benefits
AtacandAvapro
  • Atacand (candesartan) lowers your risk of heart attack and stroke.
  • It works similar to ACE inhibitors (like lisinopril), but it doesn't have the same side effects like coughing and facial swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • It's recommended for people with heart failure since it lowers the risk of death and further damage to your heart.
  • Can be used in children older than 12 months.
  • Avapro (irbesartan) lowers your risk of heart attack and stroke.
  • It works similar to ACE inhibitors (like lisinopril), but it doesn't have the same side effects like coughing and facial swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • It's recommended for people with heart failure since it lowers the risk of death and further damage to your heart.
  • Available in generic, and available with hydrochlorothiazide as a combination tablet.
Downsides and risks
AtacandAvapro
  • You'll need to get yearly blood tests while taking Atacand (candesartan) to see how it is affecting your body.
  • It's not safe to use Atacand (candesartan) if you're pregnant.
  • Atacand (candesartan) can cause the level of potassium in your blood to go up.
  • You'll need to get medical help if you notice any unusual swelling around your head and neck.
  • You'll need to get yearly blood tests while taking Avapro (irbesartan) to see how it is affecting your body.
  • It's not safe to use Avapro (irbesartan) if you're pregnant.
  • Avapro (irbesartan) can cause the level of potassium in your blood to go up.
  • You'll need to get medical help if you notice any unusual swelling around your head and neck.
  • Can't be used in children under 18.
Tips from our pharmacists for people taking the medication
AtacandAvapro
  • Atacand (candesartan) can make you feel a little dizzy for the first few days.
  • You'll need to have blood tests done regularly since Atacand (candesartan) can affect your kidneys and potassium levels.
  • Don't eat a lot of foods that are high in potassium or use salt substitutes that contain potassium.
  • Tell your doctor about any dizziness or muscle weakness that doesn't go away after the first few days.
  • Don't take Atacand (candesartan) if you're pregnant.
  • Avapro (irbesartan) can make you feel a little dizzy for the first few days.
  • You'll need to have blood tests done regularly since Avapro (irbesartan) can affect your kidneys and potassium levels.
  • Don't eat a lot of foods that are high in potassium or use salt substitutes that contain potassium.
  • Tell your doctor about any dizziness or muscle weakness that doesn't go away after the first few days.
  • Don't take Avapro (irbesartan) if you're pregnant.
Learn more
More about AtacandSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Atacand (candesartan)?
Worth itNot sureNot worth it
More about AvaproSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Avapro (irbesartan)?
Worth itNot sureNot worth it