One week ago a 40 yr old pt with unrepaired congenital heart disease came with an acute apical abscess of tooth #35, and you prescribed Amoxicillin . Today you want to extract the tooth. Which antibiotic regimen for prophylaxis against endocarditis is suggested for this patient.

Clindamycin 600 mg PO 1 hr before procedure.

Clarithromycin 500 mg IV 30 min before procedure.

Amoxicillin 2gm PO 1 hr before procedure.

No antibiotic prophylaxis is recommended for this patient.