Medicine Overview

Indication

Know Medicine, Follow Guideline

Adult Dose

Clinical InformationAdministration Information
Indication: Hypertension
Age: Adult
Condition: Monotherapy
Dose: Oral – Initially, 250 mg
Frequency: twice daily to three times daily
Duration: for 2 days; adjust at intervals of at least 2 days according to response
Note: Maintenance: 500-2,000 mg daily. Max: 3,000 mg daily.
Indication: Hypertension
Age: Adult
Condition: Combination therapy
Dose: Oral – Initial dose should not exceed 500 mg daily
Frequency: in divided doses

Child Dose

Clinical InformationAdministration Information
Indication: Hypertension
Age: less than 12 years
Dose: Oral – Initially, 10 mg/kg or 300 mg/m2
Frequency: in 2-4 divided doses
Note: adjust at intervals of at least 2 days according to response. Maximum: 65 mg/kg, 2,000 mg/m2 or 3,000 mg daily, whichever is least.

Renal Dose

Clinical InformationAdministration Information
Condition: Renal Impairment with Creatinine Clearance greater than 50 mL/minute
Dose: Renal Dose
Frequency: every 8 hours
Note: Adjust dosage frequency with renal impairment
Condition: Renal Impairment with Creatinine Clearance 10-50 mL/minute
Dose: Renal Dose
Frequency: every 8-12 hours
Note: Adjust dosage frequency with renal impairment
Administration
  • May be taken with or without food
  • Take at evenly spaced intervals
Side Effect

Drug Interaction

Drug NameRisk Factors
Phenothiazines, TCAs, Amphetamines
Reduced hypotensive effects
Levodopa
Additive hypotensive effects; psychosis may occur

Disease Interaction

Disease NameRisk Factors
Active Liver Disease
Can worsen liver function
Acute Hepatitis
Risk of liver damage

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage
Do not store above 30°C. Keep out of the reach of children.

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.