Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.
Consume plenty of liquids to maintain hydration .
Balanced nutritious diet with avoidance of excess sugar , oily , non veg , spicy ,
dairy fat , junk foods , articial sweeteners .
Gargles with salted lukewarm water added peppermint oil 3 times a day .
Deep breathing  exercises , walking in fresh air , 
YOGA help to recover  faster .
Avoid exposure to dust , pollens ; if necessary  use  triple  layer  face  mask .
you can take cefadroxyl twice a day for five days, you can take 
paracetamol twice
a day for five day you can 
rantac  d twice a day for five day , give salbutamol
twice a day for five days
Avoid 
smoking  or  any form of tobacco consumption .
Avoid 
stress , 
anxiety. 
Tessalon pearls 3 times a day. Basil leaves , turmeric powder in boiled skimmed milk , pure honey , chamoline
tea  are  herbal  recovering  agents. Consult later your doctor  if  required for further  evaluation with lab tests , x-ray
chest  & detailed  management .
Hope I have answered your query. Let me know if I can assist you further.