Losartan (Cozaar)

Cardiology (ARB)

Dosing & Administration

Adult Dose

50-100 mg PO daily.

Pediatric Dose

0.7 mg/kg PO daily (up to 50 mg).

Renal Adjustment

No specific initial adjustment, but monitor for hyperkalemia and acute injury.

Hepatic Adjustment

Start 25 mg daily in mild-mod impairment.

Safety & Special Populations

Pregnancy Category

D - Absolutely contraindicated in 2nd/3rd trimesters.

Lactation Safety

Unknown, avoid if possible.

Contraindications & Adverse Effects

Contraindications

  • Pregnancy
  • Concurrent aliskiren use in diabetics

Common Adverse Effects

  • Hyperkalemia
  • Dizziness
  • Angioedema (lower risk than ACEI)