5 yr old has stomach ache for few hours, had high fever also, but down now. concerned?

Fever/stomach pain: Fever most often suggests infection or inflammation, Associated abdominal pain will often help to determine the cause, This can be the presentation of tonsillitis, ear infection, pneumonia, urinary tract infection or even appendicitis. If your child's symptoms continue have your doctor evaluate him/her. If your child is better monitor his symptoms for further decisions. It may be a transient virus

See your doctor: Abdominal pain can be related to many things, from a mild intestinal illness to appendicitis. Without a complete history and physical exam, it is very difficult to advise. If you child has constant, severe, right lower abdominal pain, that is a concern for appendicitis. You should consult your Pediatrician and have your child examined.