If you are experiencing a medical emergency please dial 911 immediately
Chlorhexidine (Peridex) mouthwash can prevent thrush in people who are taking medicines that impair the body's natural defense (immune) system.
Chlorhexidine can cause staining of the teeth and the inside of the mouth, especially the tongue.
Last Revised: June 18, 2013
Author: Healthwise Staff
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