Chlorthalidone

Generic Name: chlorthalidone

Thiazide-like Diuretic [EPC]Over-the-Counter (OTC)

Brand Names:

Chlorthalidone

Chlorthalidone is an oral antihypertensive and diuretic that differs from thiazides by incorporating a double-ring system. It is indicated for managing hypertension and edema associated with various conditions.

Overview

Chlorthalidone is an oral antihypertensive and diuretic that differs from thiazides by incorporating a double-ring system. It is indicated for managing hypertension and edema associated with various conditions.

Uses

Indicated for managing hypertension as sole therapy or adjunctive treatment, and for edema associated with congestive heart failure, hepatic cirrhosis, corticosteroid or estrogen therapy, and renal dysfunction including nephrotic syndrome.

Dosage

Hypertension: Start with 25 mg daily; increase to 50 mg if needed; maximum 100 mg daily. Edema: Initially 50-200 mg daily or on alternate days. A single dose given in the morning with food is recommended.

Side Effects

Gastrointestinal effects (nausea, vomiting, diarrhea), CNS reactions (dizziness, headache), hematologic reactions (leukopenia, thrombocytopenia), dermatologic reactions (rash, photosensitivity), and cardiovascular effects like orthostatic hypotension.

Warnings

Use with caution in severe renal disease and hepatic impairment. Sensitivity reactions may occur in patients with history of allergy or bronchial asthma. Hypokalemia may develop. Contraindicated in anuria and hypersensitivity to chlorthalidone or sulfonamide-derived drugs.

Storage

Store at 20-25 degrees C. Protect from light.

Frequently Asked Questions

What is Chlorthalidone used for?

Indicated for managing hypertension as sole therapy or adjunctive treatment, and for edema associated with congestive heart failure, hepatic cirrhosis, corticosteroid or estrogen therapy, and renal dysfunction including nephrotic syndrome.

What are the side effects of Chlorthalidone?

Gastrointestinal effects (nausea, vomiting, diarrhea), CNS reactions (dizziness, headache), hematologic reactions (leukopenia, thrombocytopenia), dermatologic reactions (rash, photosensitivity), and cardiovascular effects like orthostatic hypotension.

What are the important warnings for Chlorthalidone?

Use with caution in severe renal disease and hepatic impairment. Sensitivity reactions may occur in patients with history of allergy or bronchial asthma. Hypokalemia may develop. Contraindicated in anuria and hypersensitivity to chlorthalidone or sulfonamide-derived drugs.

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Medical Disclaimer

This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.