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A humidifier is a device that blows cool to lukewarm mist
(vapor) into the air to increase humidity (moisture) in a room. A vaporizer is
a device that releases a cool to hot mist into the air to help increase
humidity or to help with breathing.
These devices tend to be used
when a person is sick or when air in the house is dry (low indoor humidity).
When a person's skin and mucous membranes are dry, the dryness can aggravate an
illness of the head, neck, or chest. Or it can lead to chapped lips, a dry
throat, or dry and itchy skin. Mist therapy with one of the devices can help
These devices differ in a few ways.
Current as of:
November 20, 2015
John Pope, MD - Pediatrics & Thomas Emmett Francoeur, MD, MDCM, CSPQ, FRCPC - Pediatrics
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