By Dr .Muhammad Mosleh Uddin
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06 Aug, 2026
Comparative pharmacology of Thiazide as an antihypertensive
đ´Antihypertensive āĻšāĻŋāϏā§āĻŦā§ indapamide/Chlorthalidone is better than Hydrochlorothiazide (HCTZ). āĻāĻžāϰāĻŖ,
đ āĻāĻĻā§āϰ Duration of action āĻŦā§āĻļāĻŋāĨ¤
Chlorthalidone āĻāϰ 48-72 h. Indapamide, āĻāϰ 24 h.
đ āĻāϰāĻž āĻĻā§āĻāύā§āĻ more potent than HCTZ
đ āĻĻā§āĻāύā§āĻ Nocturnal BP control āĻāϰāϤ⧠āĻĒāĻžāϰā§
āϤāĻžāϰāĻŽāĻžāύ⧠Indapamide and Chlorthalidone āĻĻā§āĻāύā§āĻ HCTZ āĻāϰ āĻā§ā§ā§ Better.
āĻāĻāύ āĻāϏāĻŋ, Indapamide āĻāϰ Chlorthalidone āĻāϰ āĻŽāϧā§āϝ⧠āĻā§ better?
Antihypertensive effect āϏāĻŦāĻā§ā§ā§ āĻŦā§āĻļāĻŋ Chlorthalidone āĻāϰāĨ¤ āϤāĻŦā§ āĻāϰ Metabolic side effects āĻā§āϞ⧠āĻŦā§āĻļāĻŋāĨ¤ āϝā§āĻŽāύ:
đHyponatremia
đHypokalemia
đHyperglycemia (not suitable in DM patient)
đHyperuricemia
āĻāĻŋāύā§āϤ⧠Indapamide āĻāϰ āĻā§āώā§āϤā§āϰ⧠āĻāĻĒāϰā§āϰ side effect āĻā§āϞ⧠āĻ
āύā§āĻ āĻāĻŽ āĻšā§āĨ¤ āϤāĻžāĻ āĻāĻāĻž Better tolerated than Chlorthalidone.
đ´ Summary:
āϏāĻŦāĻā§ā§ā§ āĻāĻžāϞ⧠BP āĻāĻŽāĻžāϤ⧠āĻĒāĻžāϰ⧠Chlorthalidone.
āϤāĻŦā§ BP āĻŽā§āĻāĻžāĻŽā§āĻāĻŋ āĻāĻžāϞā§āĻ āĻāĻŽāĻžā§ āĻāĻŦāĻ āϏāĻžāĻĨā§ Better tolerated āĻšāϞā§, Indapamide.
So, āϏāĻŦāĻāĻŋāĻā§ āĻŽāĻŋāϞāĻŋā§ā§ āϤāĻŋāύāĻāύā§āϰ āĻŽāϧā§āϝ⧠āĻāĻāĻā§āϰ Winner āĻšāϞ⧠"Indapamide"
Thiazide āĻāϰ āĻĻāĻŋāύ āĻļā§āώāĨ¤
That means, āĻāĻāĻā§ āĻĨā§āĻā§ Antihypertensive āĻšāĻŋāϏā§āĻŦā§ āĻāĻĒāύāĻŋ Add on therapy āĻšāĻŋāϏā§āĻŦā§ Indapamide āĻā§ prefer āĻāϰāĻŦā§āĨ¤
āĻāĻŋāύā§āϤ⧠āĻāϤā§āĻ āϝāĻĻāĻŋ BP control āύāĻž āĻšā§, Resistant HTN develop āĻāϰ⧠āϤāĻāύ āĻāĻĒāύāĻŋ Chlorthalidone āĻ switch āĻāϰāĻŦā§āύāĨ¤
đ Feel the MEDICINE course
Dr. Muhammad Mosleh Uddin.
MBBS (CMC), FCPS P1 (Cardiology)