Hi ! How is her dietary habits ? Is she being provided frequently with food from outside like any junk food ? Please avoid it if it is so. Please encourage her to take more of roughage and a lot of liquids which may help in relieving her constipation
. One tea spoonful of honey daily may also act as a natural laxative for her.
Regarding the pain in the abdomen, your treating doctor after examining and excluding any surgical cause like appendicitis
, may like to deworm her initially. The fever
which she has developed may or may not be related to the pain abdomen. The doctor who will be seeing her will be able to decide on further course of action.