U seem to be having allergic rhinitis.
Avoid allergans eg dust, pollution, smoke ,sudden change of temperature.
Take antiallergic tablet in acute problem.
Take steam inhalation twice daily for nasal blockage.
Decongestant Nasal drops will be helpful during acute problem.
Improve your immunity by having healthy diet. Drink plenty of liquids.
Take vit c suppliment to prevent recurrences.
Hope this helps u.
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