Medicine Overview
Adult Dose
| Clinical Information | Administration 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 Information | Administration 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 Information | Administration 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
- Hyperkalemia (1-11%)
- Hypersensitivity rxns (4-7%)
- Skin rash (4-7%)
- Dysgeusia (2-4%)
- Hypotension (1-2.5%)
- Pruritus (2%)
- Cough (0.5-2%)
- Chest pain (1%)
- Palpitations (1%)
- Proteinuria (1%)
- Tachycardia (1%)
- Cardiac arrest
- Orthostatic hypotension
- Ataxia
- Confusion
- Depression
- Somnolence
- Angioedema
- Photosensitivity
- Neutropenia
- ARF if renal artery stenosis
- Renal impairment
- Impotence
- Neutropenia
- usually occurs within 3 mth of starting therapy especially in patients with renal dysfunction or collagen diseases
- Hyperkalaemia
- Anaphylactic reactions
Drug Interaction
Drug Interaction
| Drug Name | Risk 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 Interaction
| Disease Name | Risk Factors |
|---|---|
|
Bilateral Renal Artery Stenosis
|
Can cause acute kidney failure
|
|
Hereditary Angioedema
|
Can trigger severe allergic reactions
|
Pregnancy
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.