Evaluation of cases with pyrexia of unknown origin [P.U.O.]

Twenty two cases of P.U.O. were sleeted out of 698 inpatients at Mansoura Fever Hospital. Through clinical examination, laboratory investigations follow up were undertaken to reach the possible etiological diagnosis. It was found that, the commonest cause of pyrexia among the whole cases wase upper respiratory tract infections, followed by infective hepatitis and then enterica. P.U.O. represent at least 3.15% of the whole febrile inpatients. Infection is a very important preventalbe group in Egypt [50%]. Schistosomiasis has been found among the causes of P.U.O. in our locality. The emperical use of antibiotics should be prohibited in P.U.O. before doing blood picture, Widal test, urine and stool analysis