Captopril: Side Effects, Uses & Monitoring
Hypertension: Captopril tablets, USP, are indicated for the treatment of hypertension.
- Data source
- FDA labeling via NIH DailyMed (label 1fbc9b28…)
- Label version
- current
- Last reviewed
- 2026
Reported adverse reactions
Reactions listed in current FDA labeling, with the highest frequency reported across summarized placebo-controlled trials.
No structured frequency data available in current labeling. Consult the official label.
Labeled uses (from FDA prescribing information)
Hypertension: Captopril tablets, USP, are indicated for the treatment of hypertension. In using captopril tablets, USP, consideration should be given to the risk of neutropenia/agranulocytosis (see WARNINGS ). Captopril tablets, USP may be used as initial therapy for patients with normal renal function, in whom the risk is relatively low. In patients with impaired renal function, particularly those with collagen vascular disease, captopril should be reserved for hypertensives who have either developed unacceptable side effects on other drugs, or have failed to respond satisfactorily to drug combinations. Captopril tablets, USP are effective alone and in combination with other antihypertensive agents, especially thiazidetype diuretics. The blood pressure lowering effects of captopril and thiazides are approximately additive. Heart Failure: Captopril tablets, USP are indicated in the treatment of congestive heart failure usually in combination with diuretics and digitalis. The beneficial effect of captopril in heart failure does not require the presence of digitalis, however, most controlled clinical trial experience with captopril has been in patients receiving digitalis, as well as…
Conditions associated with Captopril in labeling
Heart Failure
A condition in which the heart cannot pump blood effectively, leading to fluid buildup in the lungs and body a...
Hypertension
Chronically elevated blood pressure that puts strain on the heart, blood vessels, kidneys, and brain. Often ha...
Myocardial Infarction
A heart attack, occurring when blood flow to part of the heart muscle is blocked, causing chest pain and heart...
Type 1 Diabetes
An autoimmune condition in which the pancreas stops producing insulin, usually beginning in childhood or young...
Frequently Asked Questions
What is Captopril used for?
FDA labeling lists the approved uses shown above under "Labeled uses." This summary is informational; only a qualified prescriber can determine whether a medication is appropriate for you.
What are the most commonly reported side effects of Captopril?
Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.
Does Captopril require lab monitoring?
Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Captopril.
Where does this information come from?
All clinical facts on this page were extracted from the current FDA-registered product labeling for this ingredient, published by manufacturers through NIH DailyMed. See the source link below.
Medical disclaimer: Educational content extracted from public FDA labeling. Not medical advice. Always consult a qualified healthcare professional before starting, stopping, or changing any medication.