Chlorhexidine for Oral Health: Indications and Impact on Bacterial Flora

Primary Indications for Chlorhexidine

• The American Dental Association recommends denture care in hospitalized patients, including soaking dentures for 10 minutes in 0.2% chlorhexidine before insertion, as stated by the Annals of Oncology 1, 2

Critical Limitations and Contraindications

• The Multinational Association of Supportive Care in Cancer and the European Society for Medical Oncology do not recommend chlorhexidine for the treatment of established oral mucositis 4
• The European Respiratory Society does not recommend chlorhexidine for ventilator-associated pneumonia prevention due to unclear balance between potential pneumonia reduction and potential mortality increase 6
• The Centers for Disease Control and Prevention do not offer a recommendation for pre-procedural antimicrobial rinses, as scientific evidence is inconclusive 7

Management of Adverse Effects

• The American College of Physicians recommends stopping chlorhexidine immediately for chlorhexidine-induced sore throat, and using benzydamine hydrochloride spray every 3 hours for symptomatic relief, as stated by Praxis Medical Insights 5
• The American Dental Association recommends applying white soft paraffin ointment to lips every 2 hours if irritated, and using warm saline mouthwashes for cleansing and soothing, as stated by Praxis Medical Insights 5

Specific Clinical Scenarios

• The British Association of Dermatologists recommends an antiseptic oral rinse containing chlorhexidine twice daily for Stevens-Johnson syndrome/toxic epidermal necrolysis 3