Medicine Overview

Indication

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Adult Dose

Clinical InformationAdministration Information
Indication: Hypertension
Age: Adult
Condition: Initial dose
Dose: Tablet – 12.5–25 mg
Frequency: twice daily
Note: Increased if necessary up to 150 mg daily in 2 divided doses; doses to be increased at intervals of at least 2 weeks; once daily dosing may be appropriate if other concomitant antihypertensive drugs are taken.
Indication: Essential hypertension
Age: Adult
Condition: Initial dose for volume depletion, cardiac decompensation, or renovascular hypertension
Dose: Tablet – 6.25–12.5 mg
Frequency: once daily for 1 dose, then twice daily
Note: Increased if necessary up to 100 mg daily in 1–2 divided doses; doses to be increased at intervals of at least 2 weeks; once daily dosing may be appropriate if other concomitant antihypertensive drugs are taken.

Child Dose

Clinical InformationAdministration Information
Indication: Hypertension
Age: Neonates and infants
Dose: Oral – 0.15 mg/kg
Frequency: 2 or 3 divided doses
Note: Maximum: 6 mg/kg; adjusted according to response
Indication: Hypertension
Age: Children and adolescents
Dose: Oral – 0.3 mg/kg
Frequency: 2 or 3 divided doses
Note: Maximum: 6 mg/kg; adjusted according to response

Renal Dose

Clinical InformationAdministration Information
Condition: Renal impairment: Creatinine Clearance less than 10 ml/min
Dose: 6.25 mg
Frequency: once daily
Note: Maximum: 37.5 mg/day
Condition: Renal impairment: Creatinine Clearance 10-20 ml/min
Dose: 12.5 mg
Frequency: once daily
Note: Maximum: 75 mg/day
Administration
  • Take on empty stomach
  • Take 1 hour before or 2 hours after meals
Side Effect

Drug Interaction

Drug NameRisk Factors
NSAIDs (Ibuprofen, Naproxen, Diclofenac, Celecoxib, Meloxicam, Indomethacin, Piroxicam, Ketorolac)
Reduces hypotensive action and increases nephrotoxicity risk
K supplements, Potassium-sparing diuretics (Amiloride, Eplerenone, Spironolactone, Triamterene), other K-increasing drugs
Additive hyperkalaemic effect

Disease Interaction

Disease NameRisk Factors
Bilateral Renal Artery Stenosis
Can cause acute kidney failure
Hereditary Angioedema
Can trigger severe allergic reactions

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage
Store below 30° C

Data Sources

Clinical & regulatory information on this page is compiled from the following government sources:

DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment.