 The most frequent source of bacteremia due to "Peptostreptococcus" are infections of the oropharynx, lower respiratory tract, female genital tract, abdomen, skin, and soft tissues.Recent gynecological surgery, immunosuppression, dental procedures, infections of the female genital tract, abdominal and soft tissue along with gastrointestinal surgery are predisposing factors for bacteremia due to "peptostreptococcus".Microaerophilic streptococci typically account for 5-10% of cases of endocarditis; however, Peptostreptococci have only rarely been isolated.