It is very unusual for a 5 year old boy to have such a poor appetite. He should be over his illness by now as it was more than 1 month ago.It is possible that a medicine is affecting him, but I presume that he is only on the laxative.It would be best to ask your doctor to see him again and try to establish just what is causing your son's problem. It is not unusual for a young child to be found to be anaemic or have some other signifcant reason for refusal to eat.
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