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In this section: Development Resources

Ceftriaxone - Injection products

Exceptions or additions to the recognized standards

	Minimum Inhibitory Concentrations (mcg/mL)			Disk Diffusion (zone diameter in mm)
Pathogen	S	I	R	S	I	R
Anaerobes	≤1	2	≥4	-	-	-

S = Susceptible; I = Intermediate; R = Resistant

For Haemophilus influenzae and parainfluenzae, susceptibility interpretive criteria recognized in CLSI M100 are based on a dose of 2 grams IV every 24 hours in patients with normal renal function.

For the bacteria listed below, susceptibility test interpretive criteria are not recognized at this time:

Acinetobacter spp

Other Non-Enterobacterales

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