Drink plenty of water and warm fluids
Use steam from a hot shower or bowl of hot water
Run a humidifier or vaporizer
Take a warm saltwater gargle
Use an over-the-counter expectorant like guaifenesin
Try honey in warm tea if you are not allergic and are over 1 year old
Rest and avoid smoking or secondhand smoke
Sleep with your head elevated
Use saline nasal spray or rinse if postnasal drip is contributing
Loosen mucus with gentle coughing and deep breathing
Avoid alcohol and dehydrating drinks
Seek medical care if you have trouble breathing, chest pain, high fever, or symptoms that worsen or last more than a few days