Drink plenty of water and warm fluids
Use a humidifier or inhale steam
Rest as much as possible
Gargle with warm salt water
Try honey if you are over 1 year old
Avoid smoking and secondhand smoke
Avoid dust, strong odors, and other irritants
Sleep with your head elevated
Use an over-the-counter expectorant if appropriate
Use saline nasal spray or rinse if postnasal drip is present
Treat allergies or acid reflux if they are causing the cough
See a doctor if the cough lasts more than 3 weeks
See a doctor if you have shortness of breath, chest pain, high fever, or blood in mucus