L monocytogenes is a motile, non–spore-forming, gram-positive rod that has aerobic and facultatively anaerobic characteristics [2]. Our patient’s advance age, history of diabetes mellitus and other multiple co morbid condition with suggestive clinical presentation were the clues for early suspicion of invasive listeria gastroenteritis.
Most common symptoms of invasive gastroenteritis due to Listeria Monocytogene are fever, diarrhea, arthromyalgia and headache. In most cases, atleast one gastrointestinal symptoms including nausea, vomiting, diarrhea and abdominal pain is present. Diarrhea is typically non bloody and watery stool with an average of 10 to 12 stools in 24 hours. Bloody diarrhea is rare and noted in only 3% of cases. Fatigue and sleepiness is present in 63% and 83% of cases respectively[2,3,4]. Rare complication of listeria gastroenteritis is invasive disease with positive blood culture which can lead to severe sepsis and