What causes tongue pain after aphthous ulcers (canker sores)?

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Last updated: March 28, 2025View editorial policy

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From the Guidelines

Tongue pain after aphthous ulcers is most likely caused by secondary infection, inflammation, or irritation, and can be managed with topical treatments and good oral hygiene practices. The management of tongue pain after aphthous ulcers involves a combination of topical treatments and good oral hygiene practices. Some key considerations include:

  • Using an antiseptic oral rinse twice daily to reduce bacterial colonization of the mucosa, such as 1.5% hydrogen peroxide mouthwash or 0.2% chlorhexidine digluconate mouthwash 1
  • Applying a topical anaesthetic preparation, such as viscous lidocaine 2%, to help manage pain and discomfort 1
  • Considering the use of a topical corticosteroid, such as betamethasone sodium phosphate or clobetasol propionate, to reduce inflammation 1
  • Monitoring for secondary infection and treating promptly if necessary, with options such as nystatin oral suspension or miconazole oral gel for candidal infections 1 It is also important to note that slow healing of the oral mucosa may reflect secondary infection by, or reactivation of, HSV, and regular oral and lip swabs should be taken if suspected 1. Overall, a comprehensive approach to managing tongue pain after aphthous ulcers involves addressing potential underlying causes, reducing discomfort and inflammation, and promoting good oral hygiene practices.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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