Compare Losartan vs. Atacand

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

Cozaar
(Losartan)

Atacand
(Candesartan)

Lowers blood pressure. Cozaar (Losartan) is a good blood pressure-lowering medicine that protects kidney function like an ACE inhibitor, but with fewer side effects.Lowers blood pressure. Atacand (Candesartan) is a good blood pressure-lowering medicine that protects kidney function just like ACE inhibitors, but has fewer side effects.
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
4.965648854961832Losartan
Reviews for Cozaar (Losartan)
57%
of people say Cozaar (Losartan) is worth it
47%
say it works well
16%
say it's a big hassle

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Side effects
LosartanAtacand
  • Urinary tract infection 6%
  • Diarrhea 5%
  • Low blood sugar 4%
  • Low blood pressure 4%
  • Muscle weakness/fatiguea/fatigue 4%
  • Hyperkalemia 4%
  • Chest pain 4%
  • Low red blood cells 3%
  • Muscular weakness 3%
  • Orthostatic hypotension 3%
More Losartan side effects »

We haven’t found good data for Atacand side effects.

FDA side effect reports for Atacand »
How it works
LosartanAtacand
Cozaar (Losartan) is an angiotensin receptor blocker (ARB). It blocks a chemical that tightens blood vessels. This makes blood vessels relax, which lowers blood pressure and allows more blood and oxygen to get to your heart and other organs.Atacand (Candesartan) is an angiotensin receptor blocker (ARB). By blocking a chemical that usually tightens blood vessels, it makes blood vessels relax. This lowers blood pressure and allows more blood and oxygen to get to your heart and other organs.
Type of medication
LosartanAtacand
Antihypertensive
Angiotensin receptor blocker
Prescription only
Antihypertensive
Angiotensin receptor blocker
Prescription only
Available as
LosartanAtacand
  • Pill
  • Pill
Used for (click to learn more)
LosartanAtacand
Risk factors for serious side effects
LosartanAtacand
  • Women of childbearing age
  • Concurrent liver disease
  • Current kidney problems
  • Medicine that increase potassium
  • Use of salt substitute
Detailed Cozaar (Losartan) risks & warnings »
  • Women of childbearing age
  • History of kidney problems
  • African descent
  • Current kidney problems
  • Medicine that increase potassium
  • Use of salt substitute
Detailed Atacand (Candesartan) risks & warnings »
Pregnancy category
LosartanAtacand
Alcohol
No specific alcohol-related info.No specific alcohol-related info.
Food
No specific food-related info.No specific food-related info.
Kidneys and liver
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Requires routine blood tests to check kidney function.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Get your blood pressure, potassium, and kidney function checked 1 week after starting the medicine, then routinely after.
  • Requires routine blood tests to check kidney function.
  • Atacand (Candesartan) has a risk of making your kidneys not work as well. It is important to get blood work done to check your kidney function before starting Atacand (Candesartan) and at least annually after.
Sex
No specific sex-related info.No specific sex-related info.
Sleep
No specific sleep-related info.No specific sleep-related info.
Weight
No specific weight-related info.No specific weight-related info.
Upsides and benefits
LosartanAtacand
  • A first-choice blood pressure treatment for many people.
  • Similar to ACE inhibitors (like Lisinopril), with fewer side effects like cough and swelling.
  • Recommended for anyone with heart failure since it lowers the risk of death and further damage to your heart.
  • Lowers the risk of heart attack and stroke.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Works similar to ACE inhibitors (like lisinopril), but doesn't have the same side effects like cough and swelling.
  • Recommended for people with heart failure since it lowers the risk of death and further damage to your heart.
  • Lowers the risk of heart attack and stroke.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
Downsides and risks
LosartanAtacand
  • Requires a yearly blood test to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
  • Not always covered by insurance, so it can be expensive.
  • Requires a yearly blood test to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
Tips from our pharmacists for people taking the medication
LosartanAtacand
  • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
  • Tell your doctor about any dizziness, fatigue, cough, or throat irritation that doesn't go away.
  • Can cause dizziness in the first few days.
  • Requires routine blood tests to check kidney function.
  • Don't take it if you're pregnant.
  • Get your blood pressure, potassium, and kidney function checked 1 week after starting the medicine, then routinely after.
  • Tell your doctor about any dizziness or muscle weakness that doesn't go away.
  • Get immediate medical help if you notice any swelling, especially around your head and neck.
  • Can cause dizziness in the first few days.
  • Requires routine blood tests to check kidney function.
  • Don't take it if you're pregnant.
Learn more
More about LosartanSide effectsReviews & ratingsAlternativesFDA package insert
More about AtacandSide effectsReviews & ratingsAlternativesFDA package insert