He had a history of traveling to south east asia recently. What can be the cause?

A 20 year old male presented with severe abdominal pain with vomiting. He had a history of traveling to south east asia recently. What can be the cause?

A. Malaria
B. Sickle cell disease
C. Intestinal amoebiasis
D. DKA
E. None of the above

Ans:Key is A : Malaria can present as acute abdomen when other causes are excluded with a history of traveling to malaria endemic area.