Non-coliform bacteria, such as " Streptococcus bovis " and certain clostridia may also be used as an index of faecal contamination.
2.
Viridans group " streptococci " and " Streptococcus bovis " are usually highly susceptible to penicillin and can be treated with penicillin or ceftriaxone.
3.
Relatively resistant strains of viridans group " streptococci " and " Streptococcus bovis " are treated with penicillin or ceftriaxone along with a shorter 2 week course of an aminoglycoside during the initial phase of treatment.
4.
Other conditions that result in high number of bacteria entering into the bloodstream include colorectal cancer ( mostly " Streptococcus bovis " ), serious urinary tract infections ( mostly enterococci ), and drug injection ( " Staphylococcus aureus " ).
5.
Selected patients may be treated with a relatively shorter course of treatment ( 2 weeks ) with benzyl penicillin IV if infection is caused by viridans group " streptococci " or " Streptococcus bovis " as long as the following conditions are met:
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