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Dry Mouth

What do I Need to Know About Dry Mouth?
Everyone has a dry mouth once in a while — if they are nervous, upset or under stress.

But if you have a dry mouth all or most of the time, it can be uncomfortable and can lead to serious health problems.

Dry mouth …

  • Can cause difficulties in tasting, chewing, swallowing, and speaking
  • Can increase your chance of developing dental decay and other infections in the mouth
  • Can be a sign of certain diseases and conditions
  • Can be caused by certain medications or medical treatments

Dry mouth is not a normal part of aging. So if you think you have dry mouth, see your dentist or physician — there are things you can do to get relief.

What is Dry Mouth?
Dry mouth is the condition of not having enough saliva, or spit, to keep your mouth wet.

Symptoms Include:

  • A sticky, dry feeling in the mouth
  • Trouble chewing, swallowing, tasting or speaking
  • A burning feeling in the mouth
  • A dry feeling in the throat
  • Cracked lips
  • A dry, tough tongue
  • Mouth sores
  • An infection in the mouth

Why is Saliva so Important?

  • Saliva does more than keep the mouth wet. It helps digest food
  • It protects teeth from decay
  • It prevents infection by controlling bacteria and fungi in the mouth
  • It makes it possible for you to chew and swallow

Without enough saliva you can develop tooth decay or other infections in the mouth. You also might not get the nutrients you need if you cannot chew and swallow certain foods.

What Causes Dry Mouth?
People get dry mouth when the glands in the mouth that make saliva are not working properly. Because of this, there might not be enough saliva to keep your mouth wet. There are several reasons why these glands (called salivary glands) might not work right.

  • Side effects of some medicines — more than 400 medicines can cause the salivary glands to make less saliva. Medicines for high blood pressure and depression often cause dry mouth
  • Disease — some diseases affect the salivary glands. Sjögren’s Syndrome, HIV/AIDS, diabetes, and Parkinson’s disease can all cause dry mouth
  • Radiation therapy — the salivary glands can be damaged if they are exposed to radiation during cancer treatment
  • Chemotherapy — drugs used to treat cancer can make saliva thicker, causing the mouth to feel dry.
  • Nerve damage — injury to the head or neck can damage the nerves that tell salivary glands to make saliva.