Ceftriaxone 2g IV 12 hourly
+
Metronidazole IV 500mg 8 hourly or, if oral route available, 400mg oral 8 hourly
Penicillin allergy guidance
Ceftriaxone dose change
Orbital Cellulitis
Seek immediate specialist advice from Ophthalmology and Microbiology.
Ceftriaxone 2g IV 12 hourly
+
Metronidazole IV 500mg 8 hourly or, if oral route available, 400mg oral 8 hourly
Vancomycin IV (dosing as per guideline. Use vancomycin calculator).
+
Metronidazole IV 500mg 8 hourly or, if oral route available, 400mg oral 8 hourly
+
Gentamicin (standard dosing as per guideline. Use gentamicin calculator)