Compare Losartan vs. Betapace

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



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.Coming soon.
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Reviews & ratings
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Reviews for Cozaar (Losartan)
of people say Cozaar (Losartan) is worth it
say it works well
say it's a big hassle
524 reviews

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Side effects
  • 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 Betapace side effects.

FDA side effect reports for Betapace »
How it works
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.Coming soon.
Type of medication
Angiotensin receptor blocker
Prescription only
Coming soon.
Available as
  • Pill
  • Pill
Used for (click to learn more)
  • Atrial arrhythmia Ventricular arrhythmia
Risk factors for serious side effects
  • Women of childbearing age
  • Concurrent liver disease
  • Current kidney problems
  • Medicine that increase potassium
  • Use of salt substitute
Detailed Cozaar (Losartan) risks & warnings »
Coming soon.
Pregnancy category
DFDA pregnancy category (Weigh risks vs. benefits)

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.

See the FDA package insert
BFDA pregnancy category (Probably safe)

Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

See the FDA package insert
No specific alcohol-related info.No specific alcohol-related info.
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.
No specific kidneys and liver-related info.
No specific sex-related info.No specific sex-related info.
No specific sleep-related info.No specific sleep-related info.
No specific weight-related info.No specific weight-related info.
Upsides and benefits
  • A first-choice blood pressure treatment for many people.
  • Lowers the risk of heart attack and stroke.
  • Similar to ACE inhibitors (like Lisinopril), with fewer side effects like cough and swelling.
  • Protects kidney function, which is especially useful for people with diabetes or mild-to-moderate kidney disease.
  • Recommended for anyone with heart failure since it lowers the risk of death and further damage to your heart.
Coming soon.
Downsides and risks
  • Requires a yearly blood test to see how the medicine is affecting your body.
  • Not safe to use if you're pregnant.
Coming soon.
Tips from our pharmacists for people taking the medication
  • Can cause dizziness in the first few days.
  • 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.
  • Requires routine blood tests to check kidney function.
  • Don't take it if you're pregnant.
Coming soon.
Learn more
More about LosartanSide effectsReviews & ratingsAlternativesFDA package insert
More about BetapaceSide effectsReviews & ratingsFDA package insert