Gentamicin Dosing Weight

Note

Gentamicin for obese patients should be dosed based on adjusted body weight (ABW)

Use ideal body weight

(IBW) for others

ABW

ABW = IBW + 0.4 (Actual weight – IBW)

IBW (Males)

IBW = 50kg + 2.3kg (each inch over 5 feet)

IBW (Females)

IBW = 45.5kg + 2.3kg (each inch over 5 feet)