Question

A 55-year-old patient with a prosthetic mitral valve is scheduled for dental extraction. No penicillin allergy. What is the best prophylaxis to prevent viridans group streptococcal infective endocarditis?

Accepted Answer

Amoxicillin 2 g PO 30-60 minutes before the procedure

Answer

Cephalexin 500 mg PO after the procedure

Answer

No antibiotic prophylaxis is indicated

Answer

Vancomycin 1 g IV 2 hours before the procedure

Answer

Azithromycin 250 mg PO 1 hour before the procedure

Practice question

A 55-year-old patient with a prosthetic mitral valve is scheduled for dental extraction. No penicillin allergy. What is the best prophylaxis to prevent viridans group streptococcal infective endocarditis?