(1) Use a vaporizer at night to keep your nasal passages from drying out.(2) Using a cool-mist vaporizer to humidify the air may help soothe irritated breathing passages and relieve coughing.(3) Putting a vaporizer or humidifier in your child's room may help him breathe.(4) Try sitting the child in a steamy bathroom, using a vaporiser or placing a damp towel near a radiator to create moist air.(5) Essential oils can be added to bath water, dropped onto a tissue or handkerchief, added to a vaporiser , or used in massage lotions.