How do I feel to have foreign body on the right side of throat when coughing recently

Suggestion: The patient can go to the hospital for laryngoscopy to determine the cause of cough. The patient can use cough medicine, such as cough syrup treatment. The person with severe cough can go to the hospital for aerosol inhalation treatment. The patient should not eat spicy food at ordinary times to reduce the stimulation of respiratory tract.