Losartan
Administration
- Type: Antihypertensive, ARB
- Dosage Forms: Tablet; 25mg, 50mg, 100mg
- Routes of Administration: oral
- Common Trade Names: Cozaar
Adult Dosing
Hypertension
- 25-150mg PO daily
Pediatric Dosing
- 0.1 to 1.4 mg/kg daily
Special Populations
- Pregnancy Rating: D
- Lactation risk: Infant risk cannot be ruled out
- Renal dosing: no adjustment
- Hepatic dosing: starting dose 25mg daily
Contraindications
- Allergy to class/drug
- Concomitant use with aliskiren in diabetes
Adverse Reactions
Serious
Common
Pharmacology
- Half-life: 2-6 hours
- Metabolism: Hepatic;P450 CYP2C9 and CYP3A4
- Excretion: Fecal, renal
Mechanism of Action
- Reversible angiotensin II inhibitor