Table 3.

Dosing regions for several ampicillin indications

Indication	Care area	Age	Weight (kg)	Dose
Meningitis	Bone marrow transplant	≤29 days	< 8	100 mg/kg/dose IV q8h
			≥8	100 mg/kg/dose IV q8 h up to a max single dose of 1 g
	NICU, transitional care	≤7 days	any	100 mg/kg/dose IV/IM q8 h (equivalent to 300 mg/kg/day)
		≥8	any	75 mg/kg/dose IV q6 h (approx. 300 mg/kg/day)
	PICU, cardiac ICU	≤29 days	≥8	100 mg/kg/dose IV q8 h up to a max single dose of 1 g
			Any	100 mg/kg/dose IV q8h
Meningitis or osteomyelitis	General care	≥14 yrs	< 27	75 mg/kg/dose IV q6h
			≥27	2 g IV q6h
	Non-pediatric location	≤7 days	≥9	100 mg/kg/dose IV q8 h up to a max single dose of 1 g
			< 9	100 mg/kg/dose IV q8h
		8 days-14 yrs	< 27	75 mg/kg/dose IV q6h
			≥27	2 g IV q6h
		14-18 yrs	≥27 & <45	2 g IV q6h
			< 27	75 mg/kg/dose IV q6h
Pediatric liver transplant - post-op	Any location - dosing region scenarios defined by order set use	≥0 days	< 20	50 mg/kg q6 h × 4 doses
			≥20	1 g q6 h × 4 doses
Pediatric liver transplant - pre-op	Any location - dosing region scenarios defined by order set use	≥0 days	< 20	50 mg/kg ONCALLPRN* to OR
			≥20	1 g ONCALLPRN* to OR

*The dose is administered once a patient is called to the operating room.