HYDROCHLOROTHIAZIDE

(HydroDiuril, HCTZ)

Standard Prescription

hydrochlorothiazide__mg PO__(frequency) (__mg/kg/24hr)

Dosages

Infant < 6 mo.:
1-2 mg/kg/dose PO BID to max. 37.5 mg/day

Infant > 6 mo. & child:
1 mg/kg/dose PO BID to max 100 mg/day (child)

Adult:
25-100 mg/24 hr PO daily or divided BID to max. 200 mg/day

Mechanism of Action

Thiazide diuretic

Forms Supplied

tablet: 25 mg, 50 mg
suspension (BCCH): 5 mg/mL

Comments

Monitor serum electrolytes; May cause hyponatremia, hypokalemia, hypomagnesemia.

Loss of efficacy at GFR<40 mL/min; avoid use if GFR <10 mL/min

Onset within 2 hrs; duration 6-12 hr

References

44, 192

Last Edited

2019-03-12 02:10:11