Drink warm fluids
Stay hydrated
Use honey if you are over 1 year old
Use a humidifier
Avoid smoke and other irritants
Rest your voice
Try throat lozenges
Sleep with your head elevated
Gargle with warm salt water
Use over-the-counter cough medicine as directed
Treat allergies if they are the cause
Treat acid reflux if it is the cause
See a doctor if the cough is severe, lasts more than 3 weeks, or comes with trouble breathing, chest pain, fever, or coughing up blood