Chlorothiazide: Side Effects, Uses & Monitoring

DIURIL is indicated as adjunctive therapy in edema associated with congestive heart failure, hepatic cirrhosis, and corticosteroid and estrogen therapy.

Data source
FDA labeling via NIH DailyMed (label bd936e35…)
Label version
current
Last reviewed
2026
Side effects

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.

Uses

Labeled uses (from FDA prescribing information)

DIURIL is indicated as adjunctive therapy in edema associated with congestive heart failure, hepatic cirrhosis, and corticosteroid and estrogen therapy. DIURIL has also been found useful in edema due to various forms of renal dysfunction such as nephrotic syndrome, acute glomerulonephritis, and chronic renal failure. DIURIL is indicated in the management of hypertension either as the sole therapeutic agent or to enhance the effectiveness of other antihypertensive drugs in the more severe forms of hypertension. Use in Pregnancy - Routine use of diuretics during normal pregnancy is inappropriate and exposes mother and fetus to unnecessary hazard. Diuretics do not prevent development of toxemia of pregnancy and there is no satisfactory evidence that they are useful in the treatment of toxemia. Edema during pregnancy may arise from pathologic causes or from the physiologic and mechanical consequences of pregnancy. Thiazides are indicated in pregnancy when edema is due to pathologic causes, just as they are in the absence of pregnancy (see PRECAUTIONS, Pregnancy ). Dependent edema in pregnancy, resulting from restriction of venous return by the gravid uterus, is properly treated through…

Related conditions

Conditions associated with Chlorothiazide in labeling

FAQ

Frequently Asked Questions

What is Chlorothiazide 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 Chlorothiazide?

Current labeling for this ingredient does not include a structured frequency table that we can reproduce. Review the official label linked below.

Does Chlorothiazide require lab monitoring?

Monitoring needs vary. Ask your healthcare provider whether any lab tests apply while taking Chlorothiazide.

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.

Educational content only: The information on Symptom Database.com is for educational purposes and is not medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider. Read our full disclaimer.