Dry Mouth

Dry mouth or xerostomia is prevalent in over 50% of CKD population. Mechanism include fluid restriction, UF on dialysis, and medications.

Dry mouth may contribute to taste changes and poor fluid restriction adherence.


For patients on a fluid restriction, limit salt intake. Salt intake can increase thirst and exacerbate sensation of dry mouth.

1.     Strategies to increase saliva

  • Sucking on mints or hard lollies to stimulate saliva flow
  • Citrus/acidic foods such as sucking on frozen orange wedge or ice cubes made with lemon juice
  • Chewing gum

2.     Strategies to replace saliva

3.     Oral hygiene

  • Maintain oral hygiene such as Biotene products and mouthwashes
  • Brush teeth after each meal
  • Chewing gum


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