What causes xerostomia?

Xerostomia can be a result of the following:1,2,3,4

  • Radiation therapy
    Radiation therapy can temporarily or permanently damage the salivary glands, depending on the radiotherapy regimen
  • Chemotherapy
    Chemotherapy sometimes leads to a dry mouth
  • Medications
    Certain prescription drugs such as antidepressants, antihypertensives, pain relief medications etc. may cause dry mouth as a side effect
  • Surgery
    After mouth surgery or surgery involving the salivary glands
  • Other causes
    Diseases and conditions that adversely affect the salivary glands


1 Dirix et al. The influence of xerostomia after radiotherapy on quality of life Support Care Cancer (2008) 16:171-179
2 XEROTIN® Instructions For Use. Norgine, 2014
3 http ://www.medicinenet.com/dry_mouth/article.htm   Downloaded 28/01/2015
4 http ://www.macmillan.org.uk/Cancerinformation/Livingwithandaftercancer/Symptomssideeffects/Mouthcare/Chemotherapy.aspx   Downloaded 28/01/2015

This comes from: