Internal jugular vein thrombosis associated with .

, which occurs as part of the oral microflora, is an uncommon cause of infection. However, it can cause serious bloodstream infections including infective endocarditis. Although oral bacteria, most commonly the spp, can cause internal jugular vein (IJV) thrombophlebitis, there are no reported cases of IJV thrombosis caused Here we report a patient with septic IJV thrombosis with bacteraemia. A middle-aged man presented to our hospital with fever and altered mental status. Blood cultures were positive for , and pan-scan CT with contrast showed left IJV thrombosis, pulmonary embolism and abscesses in the gluteal muscles. The patient was successfully treated with antibiotics. When confronted with bacteraemia in patients with poor oral hygiene, it is necessary to be cautious of the fact that this organism can cause IJV thrombophlebitis.