I have had a chronic dry cough for the last 3 days, worsening at night and disrupting my sleep. I have used Betadine gargle for 2 days with no improvement.
A worsening dry cough for 3 days, especially at night, usually happens due to throat irritation or allergy, and Betadine gargle alone won't help. You can take a dry cough syrup to reduce the irritation. Do steam inhalation, drink warm fluids, and avoid cold or dusty environments. If the cough continues beyond a week or you develop fever or breathing issues, see a doctor for proper treatment.
