Jul 10, 2018 · Vanderschueren S, Knockaert D, Adriaenssens T, et al. From prolonged febrile illness to fever of unknown origin: the challenge continues. Arch Intern Med 2003; 163:1033. Zenone T. Fever of unknown origin in adults: evaluation of 144 cases in a non-university hospital. Scand J Infect Dis 2006; 38:632. Bleeker-Rovers CP, Vos FJ, de Kleijn EM, et al.
Update on Tropical Fever 2. What causes acute undifferentiated fever in the tropics? According to a systematic review on etiology of FUO in Asia (1), most FUO s are caused by malaria, dengue, leptospirosis, rickettsial infections especially scrub typhus, typhoid fever.
Acute fever can happen to adults and kids, but it is more common in infants. In addition, acute fever could be mild, moderate or severe. In a healthy adult, mild acute fever could be transient and may subside without any harm.5/5(26).