Talk to Pediatrician on Sore Throat, Seasonal Allergy, Tonsillitis

Hi I need advise from pedia specialist only please My child is 5 years old and he has recurrent tonillitis this winters on and off and 4 or 5 times i had to start him on medication for fever and antibiotics as well. I myself a doctor and due to pandemic i am in high risk so is my kids. My child also has seasonal allergy with morning sneezing and cough on and off. I make him do gargles daily and he drink hot liquids. My query is “ any thing that i can start him for this seasonal allergy in this infectious time to help him out” ill be highly grateful for response May Allah protect us all