My son 3yrs 5month old , with in one month he got fever 3times last time 9th april again 20 th april , and taken 2antibiotic advent forte and omnicef o, today doctor check and enter something in his mouth and said infection in tonsil , give monocef o cv 100, is it serious? But he has no complaint about  or pain in the throat , while sleeping his hand goes automatically in his throat area.. prescription upload. Thnx