Hydrochlorothiazide

Increases the excretion of sodium and water by the kidneys. Often used in combination with other blood pressure meds.

Dosage by Body Weight

Pediatric dose: 1-2 mg/kg per day in single or divided doses.

Body Weight
5-10 kg
Dose
6.25 mg to 12.5 mg
Frequency
Once daily
Tracking Notes
Monitor potassium levels.

Weight-based dosage tracking table for Hydrochlorothiazide, including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
5-10 kg	6.25 mg to 12.5 mg	Once daily	Monitor potassium levels.

Formulation

Tablet

Purpose

Thiazide diuretic used for hypertension and fluid retention (edema).

Generic Name

HCTZ

Branded Drug Names

Hydrochlorothiazide is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Chlorthalidone Furosemide

Safety Advice

Alcohol

CAUTION

Hydrochlorothiazide: Alcohol can increase dizziness, low blood pressure, dehydration, or heart rhythm symptoms. Avoid or limit alcohol.

Pregnancy

CAUTION

Hydrochlorothiazide: Use in pregnancy only when prescribed; some heart or blood pressure medicines are not suitable during pregnancy.

Breast Feeding

SAFE IF PRESCRIBED

Hydrochlorothiazide: Use while breastfeeding only with healthcare provider guidance, as infant monitoring may be needed.

Driving

CAUTION

Hydrochlorothiazide: May cause dizziness, faintness, tiredness, or blurred vision, especially when starting or changing dose. Avoid driving if affected.

Liver

CAUTION

Hydrochlorothiazide: Liver disease may alter medicine handling and increase side effects. Use with medical supervision.

Kidney

CAUTION

Hydrochlorothiazide: Kidney function and electrolytes may need monitoring, especially with diuretics, ACE inhibitors, ARBs, or digoxin.