Losartan

An Angiotensin II Receptor Blocker (ARB). It is a first-line antihypertensive for children with kidney disease or diabetes.

Dosage by Body Weight

Starting dose: 0.7 mg/kg once daily (max 50 mg). Do not use during pregnancy (adolescents).

  1. Body Weight
    20-40 kg
    Dose
    25 mg
    Frequency
    Once daily
    Tracking Notes
    Monitor potassium and kidney function.

Formulation

TabletSuspension

Purpose

Treatment of hypertension (high blood pressure) in children aged 6 and older.

Generic Name

Losartan Potassium

Branded Drug Names

Losartan is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

EnalaprilAmlodipine

Safety Advice

Alcohol

CAUTION

Losartan: Alcohol can increase dizziness, low blood pressure, dehydration, or heart rhythm symptoms. Avoid or limit alcohol.

Pregnancy

CAUTION

Losartan: Use in pregnancy only when prescribed; some heart or blood pressure medicines are not suitable during pregnancy.

Breast Feeding

SAFE IF PRESCRIBED

Losartan: Use while breastfeeding only with healthcare provider guidance, as infant monitoring may be needed.

Driving

CAUTION

Losartan: May cause dizziness, faintness, tiredness, or blurred vision, especially when starting or changing dose. Avoid driving if affected.

Liver

CAUTION

Losartan: Liver disease may alter medicine handling and increase side effects. Use with medical supervision.

Kidney

CAUTION

Losartan: Kidney function and electrolytes may need monitoring, especially with diuretics, ACE inhibitors, ARBs, or digoxin.

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.