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Information for Patients and Caregivers


Dry Mouth

What is treatment-related dry mouth?

Definition:

Dry mouth is an excessive or abnormal dryness of the mouth related to a decrease in the quality or quantity of saliva.

How do people describe dry mouth?

Some people describe dry mouth as a “cotton mouth”. Some say their tongue and cheeks stick together, and that they have difficulty chewing and swallowing foods because their mouth is drier than usual. Your saliva may feel dry or thick and ropey.

What causes dry mouth?

Many medicines can cause dry mouth such as over-the-counter allergy; cough, cold and flu medicines. Prescription medicines such as those that treat anxiety and depressions, pain medications, some anti-nausea and high blood pressure medications can also cause dry mouth. Dehydration can also cause dry mouth.

How do people cope with dry mouth?

  • Try using an over-the-counter saliva substitute.
  • Drink liquids between meals to moisten foods and ease swallowing.
  • Try sucking on ice chips, hard candy or chew sugarless gum.
  • Brush your teeth with a soft-bristle toothbrush after every meal and at bedtime.
  • Try an over-the-counter artificial saliva substitute.
  • Avoid using commercial mouthwashes contain alcohol, including lemon-glycerin swabs (they may cause increased drying and irritation to your mucous membranes).
  • Add liquids to solid foods to make them more tolerable (gravies, melted butter, yogurt or mayonnaise).
  • Avoid dry, sticky foods such as peanut butter; and hot, spicy foods, such as salsa or citrus fruit juice.
  • Avoid alcohol and tobacco products.
  • Inspect your mouth daily for signs of infection (redness, swelling, white or red patches in the oral cavity).

What can family members and friends do to help with dry mouth?

  • Ask family members and friends to encourage you to sip fluids throughout the day.
  • Ask family members to prepare foods that are soft and easy to swallow.
  • Ask family members or friends to buy hard candy or sugarless gum for you.

How can I talk to my family members or others about dry mouth?

  • Describe how your mouth feels.
  • Tell them about how the dry mouth is affecting how you feel and your ability to eat.
  • Ask for suggestions on how to improve your dry mouth.

What should I report to my doctor or nurse?

  • Any new swelling, sores, white patches or redness in your mouth lasting more than 24 hours.
  • A temperature > 100.5.
  • Inability to eat any food for 48 hours.
  • If you have trouble breathing.

Where can I get more information?

References:

Milligan, S., McGill, M., Sweeney, M.P., & Malarkey, C. (2001) Oral care for people with advanced cancer: an evidence-based protocol. International Journal of Palliative Nursing, 7(9): 418-26.

Iwamoto, R. (1999). In C. Yarbro, M. Frogge, & M. Goodman (Eds.) Cancer Symptom Management, 264-272 . Sudbury, Massachusetts; Jones and Bartlett Publishers.


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Last modified on 01/28/2004