Compare Captopril vs. Monopril

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

Capoten
(captopril)

Monopril
(fosinopril)

Lowers blood pressure. Captopril is a good blood pressure-lowering medicine that protects kidney function, but you have to take it on an empty stomach.Coming soon.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
3.84Captopril
Reviews for Captopril
34%
of people (All ages) say Captopril is worth it
25%
say it works well
25%
say it's a big hassle
106 reviews
Have you used Capoten (captopril)?
Worth itNot sureNot worth it

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Have you used Monopril (fosinopril)?
Worth itNot sureNot worth it
Side effects
CaptoprilMonopril
  • Rash 7%
  • Flushing 5%
  • Abnormal sense of taste 4%
  • Itching 2%
  • Cough 2%
More Captopril side effects »

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

FDA side effect reports for Monopril »
How it works
CaptoprilMonopril
Captopril is an angiotensin converting enzyme (ACE) inhibitor. 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
CaptoprilMonopril
Prescription only
Available as
CaptoprilMonopril
  • Pill
  • Pill
Used for
CaptoprilMonopril
  • Hypertension Heart Failure
Risk factors for serious side effects
CaptoprilMonopril
  • Women of childbearing age
  • African descent
  • Current kidney problems
  • Medicine that increase potassium
  • Use of salt substitute
Detailed Capoten (captopril) risks & warnings »
    Coming soon.
    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.

    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
    CaptoprilMonopril
    • 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.
    No kidneys and liver related info.
    Upsides and benefits
    CaptoprilMonopril
    • A first-choice blood pressure treatment for many people.
    • 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.
    • Recommended for anyone with heart failure since it lowers the risk of death and further damage to your heart.
    Coming soon
    Downsides and risks
    CaptoprilMonopril
    • Up to 1 in 10 people can get a dry cough with this medicine. It ranges from a mild tickle in the throat to a persistent hacking cough.
    • Compared to other ACE inhibitors, less flexible on when and how you take it. Captopril needs to be taken multiple times a day on an empty stomach.
    • 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
    CaptoprilMonopril
    • Take 1 hour before or 2 hours after eating.
    • 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 change in taste sensation 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 CaptoprilSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Capoten (captopril)?
    Worth itNot sureNot worth it
    More about MonoprilSide effectsFDA package insert
    Have you used Monopril (fosinopril)?
    Worth itNot sureNot worth it