Medicine Overview

Indication

Know Medicine, Follow Guideline

Adult Dose

Clinical InformationAdministration Information
Indication: Hypertension
Age: Adult
Dose: Oral – 5 mg
Frequency: once daily
Note: May increase dose at intervals of 2 weeks if needed. Maximum: 40 mg once daily.
Indication: Hypertension
Age: Elderly
Condition: greater than 65 years
Dose: Oral – 2.5 mg
Frequency: once daily
Note: Increased to 5 mg once daily if required.

Child Dose

Clinical InformationAdministration Information
Age: Pediatric
Dose: No approved pediatric dosage available
Note: Not recommended

Renal Dose

Clinical InformationAdministration Information
Condition: Renal impairment: Creatinine Clearance less than 30 mL/min
Dose: Tablet – 2.5 mg
Frequency: once daily
Note: Initial dose
Condition: Renal impairment: Creatinine Clearance less than 30 mL/min
Dose: Tablet – 5 mg
Frequency: once daily
Note: Maintenance dose; increased to 5 mg if required
Administration
  • May be taken with or without food
  • Take at same time each day
Side Effect

Drug Interaction

Drug NameRisk Factors
Paroxetine, Fluoxetine, Propafenone, Thioridazine, Quinidine
Increased plasma concentrations
Amiodarone, Disopyramide, Diltiazem, Verapamil
May cause conduction disturbance

Disease Interaction

Disease NameRisk Factors
Hepatic Impairment
Drug metabolism is affected, increasing risk of side effects
Sick Sinus Syndrome, Heart Block
Can worsen heart rhythm abnormalities

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage
Keep below 30°C temperature, away from light & moisture. 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.