Hi my son is 10 years old and for 5 days now has had a headache which comes and goes and he complains that his stomach hurts, he has medicine which brought down his temperature but does not help with his head or stomach he has been sick over a couple of days, he hasn t eaten properly for 5 days and struggled to try anything, he is very tired and lacks energy, he has seen a doctor and they said it was a virus and that he should keep taking the medicine and that he should be over the worst of it after a couple of days but that was 5 days ago, could you please advise as i am concerned