Hello,my baby is 22months old having fever103 cough labs:serum ige level 310 ,mp (ict)negative,cxr minimal perihilar infiltration , taking antibiotic?

Sounds viral: Most viral infections, such as influenza, can give high fevers and cough with a similar chest x-ray pattern. Unless your child has a high WBC, respiratory distress, is immunosuppressed or has fever over 5-7 days, I would continue to treat symptomatically with fever and fluid management as antibiotics are not helpful for viral infections. I hope your child feels better soon.