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. 2017 Mar 20;2017:9460671. doi: 10.1155/2017/9460671

Table 2.

Depicting the suggested treatment regime for infective endocarditis in the general population as per guidelines published in American Family Physician.

Treatment regimen for Infectious endocarditis in general population
Empiric therapy (i) Vancomycin or ampicillin/sulbactam with an aminoglycoside
(ii) Add rifampin in patients with prosthetic valves

Penicillin susceptible viridans Streptococcus or Streptococcus bovis (S. bovis) (i) Penicillin G or ceftriaxone for 4 weeks
Or 
(ii) Penicillin G plus gentamycin for 2 weeks
Or 
(iii) Ceftriaxone plus gentamycin for 2 weeks
Or 
(iv) Vancomycin for 4 weeks

Relatively penicillin resistant viridans Streptococcus or S. bovis (i) Penicillin G or ceftriaxone for 4 weeks, plus gentamycin for 2 weeks
Or
(ii) Vancomycin for 4 weeks

Penicillin-resistant viridans Streptococcus or S. bovis (i) Ampicillin plus gentamycin for 4–6 weeks
Or
(ii) Penicillin G plus gentamycin for 4–6 weeks
Or
(iii) Vancomycin for 6 weeks

Oxacillin- susceptible staphylococci (i) Nafcillin or oxacillin for 6 weeks, plus gentamycin for 3–5 days (optional)
Or
(ii) Cefazolin for 6 weeks plus gentamycin for 3–5 days (optional)

Oxacillin-resistant staphylococci (i) Vancomycin for 6 weeks