Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.
Balanced nutritious diet with avoidance of excess sugar , oily ,
Consume plenty of liquids to maintain hydration. 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 or five days 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, chamomile 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.