Thanks for posting your query.
You are suffering from acute viral upper respiratory tract
These viral infection has span of 3-4 days and symptoms may persist during these days.
Antibiotics is given to treat/ prevent secondary bacterial infection but alone antibiotics are not sufficient for control of symptoms.
You should again consult with your treating doctor and should take cough
suppressants, decongestants, steam inhalation.
You should also perform gargles with lukewarm water and a pinch of salts three times in day.
You should also avoid sour, curd, cold
drinks and oily food.
Dr. Mayank Bhargava