Information about Captopril
Captopril is an angiotensin-converting enzyme (ACE) inhibitor used in the therapy of hypertension and heart failure.
Liver safety of Captopril
Captopril is associated with a low rate of transient serum aminotransferase elevations and has been linked to rare instances of acute liver injury.
Mechanism of action of Captopril
Captopril (kap' toe pril) was the first ACE inhibitor to be approved for use in the United States and is still widely used for therapy of hypertension and heart failure. Like other ACE inhibitors, captopril inhibits the conversion of angiotensin I, a relatively inactive molecule, to angiotensin II which is the major mediator of vasoconstriction and volume expansion induced by the renin-angiotensin system. Other enzymes besides that which converts angiotensin I to II may also be inhibited, which may account for some of the side effects of the ACE inhibitors.
FDA approval information for Captopril
Captopril was approved for use in the United States in 1981 and current indications are for hypertension, congestive heart failure, left ventricular dysfunction after myocardial infarction, and treatment and prevention of diabetic nephropathy.
Dosage and administration for Captopril
Captopril is available in 12.5, 25, 50 and 100 mg tablets in many generic forms and formerly under the trade name Capoten. The typical dose of captopril in adults in 25 to 50 mg two or three times daily, and it is administered long term. Captopril is also available in several fixed combinations with hydrochlorothiazide (Capozide and others).
Side effects of Captopril
Common side effects of captopril and ACE inhibitors in general include dizziness, fatigue, headache, cough, gastrointestinal upset and skin rash.
Common ACE inhibitors include the following:
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Reviews for Captopril
Learn more about Captopril
- Dailymed label info
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- Drug portal Captopril
- toxicity info on Captopril
- FDA Captopril