Severe malaria is a leading cause of morbidity and mortality in children and the presence of concomitant bacteraemia has been identified to further worsen outcome. The study aimed at determining the prevalence of severe malaria among children aged six months to fourteen years admitted in the University of Ilorin Teaching Hospital as well as the proportion of children with severe malaria who have concomitant bacteraemia. It also aimed at identifying the bacterial agents (organisms), drug sensitivity pattern, the clinical features that predict the presence of bacterial co-infection and the effect of concomitant bacteraemia on treatment outcome among children with severe malaria in UITH.