Table 2.

Antibiotics commonly used to treat odontogenic infections

Antibiotic	Administration route	Posology
Amoxicillin	p.o.	500 mg/8 hours
		1000 mg/12 hours
Amoxicillin/clavulanic acid	p.o. or i.v.	500–875 mg/8 hours* 2000 mg/12 hours* 1000–2000 mg/8 hours†
Clindamycin	p.o. or i.v.	300 mg/8 hours*
		600 mg/8 hours†
Azithromycin	p.o.	500 mg/24 hours, three consecutive days
Ciprofloxacin	p.o.	500 mg/12 hours
Metronidazole	p.o.	500–750 mg/8 hours
Gentamycin	i.m. or i.v.	240 mg/24 hours
Penicillin	i.m. or i.v.	1.2–2.4 million IU/24 h‡Up to 24 million IU/24 hours †

i.m., intramuscular; i.v., intravenous; p.o., per os (oral).

^*p.o. administration.

^†i.v. administration.

^‡i.m. administration.