Mrs K takes her 3 year old son to the GP complaining that the boy has had a persistent fever since the previous day. She tried giving him pain and fever medication, but his fever remains high.
The following is a summary of the GP's notes:
History:
One day history of persistent fever: often above 39.5
Mother reports upper respiratory tract symptoms since about a week ago, but the runny nose, slight cough and teary eyes have now cleared.
Continuous crying: escalated last night.
Was constipated about two weeks ago
No medical history
Growing well
Feeding well
Immunizations up to date
On Examination:
Child warm to touch. Not jaundiced, pale, dehydrated
Small lymphnodes in the neck
Cardiac and respiratory exam: normal
Abdominal exam: normal
Neurological exam: normal
Ears: red tympanic membrane left ear, right ear difficult to visualise eardrum because of wet wax discharge.
Nose: yellow muscus noted
Throat: significant post nasal drip. Tonsils slightly enlarged.
Side Room:
Temperature: 38.7 degrees Celcius
Based on the above information, what is the most likely diagnosis?
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