Talk to Pediatrician on Fever In 1 Yr Old

my son aged 1 yr wad having fever since last 15 days max.101.6 upon examination doctor dignose throat infection and gave cefixim with calpol and jourdin. he has completed 2 courses of antibiotic (cephspan n cefixim) still he caught fever on and off max.100.6 with no other symptom the fever gets down without any medicine and came back again.really concerned about him kindly help (he is on teething also he got fever before the upper two teeth came and his forehead remains warm most of the time)