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Oral Health and Asthma

If you have asthma, does your dentist know? This is important for good oral health, especially if you use a corticosteroid inhaler.

Corticosteroid inhalers are medications used to treat asthma. Also known as controller medications, they help prevent attacks by reducing swelling in the lining of the airways of your lungs. Corticosteroids also make the airways less sensitive to triggers. Over time, asthma symptoms improve. When corticosteroids are used daily as prescribed, the result is long-term control of asthma.

These inhalers can cause side effects:

  • Dry, scratchy throat and hoarseness.

  • Dry mouth. Less saliva in the mouth makes you more prone to cavities, plaque buildup, and gum disease.

  • Thrush. Inhaled corticosteroids may cause an overgrowth of yeast called thrush in the mouth and throat. Thrush leaves white patches on the tongue and in the mouth. It can usually be prevented by rinsing the mouth after using a corticosteroid inhaler. When it does occur, it can be treated with a prescription medicine.

To prevent these problems:

  • Always rinse your mouth with water and spit after using your corticosteroid inhaler. This washes away traces of medicine.

  • Attach a spacer to your inhaler. This plastic tube holds the sprayed medicine dose for a few seconds so that you can inhale it better. More of the medicine enters your lungs, and less settles in your throat and mouth.

  • Chew sugarless gum and drink water often to restore moisture.

If you use a corticosteroid inhaler and notice any mouth soreness or irritation, call your dentist or doctor promptly.


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Lake Charles Memorial Health System
1701 Oak Park Boulevard
Lake Charles, LA 70601
(337) 494-3000
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