The NICE British National Formulary (BNF) and British National Formulary for Children (BNFc) sites are only available to users in the UK, Crown Dependencies and British Overseas Territories. If you believe you are seeing this page in error please contact us. Some clinicians select amoxicillin over penicillin VK to treat odontogenic infection because of a more convenient dosing regimen e.g., 2-3 doses daily for amoxicillin versus 4 doses daily for penicillin VK. Except for coverage of Haemophilus influenzae in acute sinus and otitis media infections, amoxicillin is not any more effective than penicillin VK for the treatment of odontogenic infections. It is less effective than penicillin VK against aerobic gram-positive cocci and similar in efficacy against anaerobes. Thus penicillin VK is the drug of choice for treating odontogenic infections. Contraindications: Hypersensitivity to amoxicillin, penicillin or any component of the formulation. Warnings/Precautions: Use with caution in patients with severe renal impairment (modify dosage); low incidence of cross-allergy with other beta-lactams and cephalosporins exists. The usual daily oral dose for treating odontogenic infections in children is: Children under 12 years: 20-40 mg/kg divided in 2-3 doses daily for 10 days.
Jan 21, 2019. The structure is also shared by semi-synthetic penicillin amoxicillin, cephalosporins, and other antibiotics such as imipenem. Penicillins. Learn about amoxicillin and penicillin, the conditions they're used to treat, and how these drugs are different.