Welcome to HCM.
You have this from long time than most probably it could be due to some allergy
Try to find out the triggering allergen and try to avoid it.
Don't use any deo,perfumes.Always make habit of covering of nose during two wheeler driving, in dusty,foggy,smoky area.
Try to avoid cold
drinks,chilled water,deep fry,spicy food.Do warm water gargle.
You have to start Anti allergic medicines and also specific antibiotic under guidance of ENT specialist