I have a 4yr old son who for the past 5 days has had fevers from as low as 100.2 and as high has 105.2.  he has complaint of headaches to the point of not getting off of the couch for over 2hrs. We have taken to his primary care physician who believed he had the start of an ear infection and gave him an antibiotic,  he continued to get worse vomitted three times and had a nose bleed.  We are at day 6  and he is again running a low grade fever having very limited appetitie if any at all and  continued complaint of a headache.  I am starting to get concerned Any suggestions as to my next step?
Hi, If I were your treating Doctor for this case of severe headache and fever under the left rib cage, I would come up with three possibilities