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Tests and diagnosis

By Mayo Clinic staff

Tests aren't needed to diagnose canker sores. Your doctor or dentist can identify them with a visual exam. In some cases, you may have tests to check for other health problems, especially if your canker sores are severe and ongoing.

Treatments and drugs Preparing for your appointment
References
  1. Kliegman RM, et al. Nelson Textbook of Pediatrics. 19th ed. Philadelphia, Pa.: Saunders Elsevier; 2011. http://www.mdconsult.com/das/book/body/208746819-6/0/1608/0.html. Accessed Feb. 2, 2012.
  2. Long SS, et al., eds. Principles and Practice of Pediatric Infectious Diseases. 3rd ed. Philadelphia, Pa.: Churchill Livingstone Elsevier; 2008. http://www.mdconsult.com/das/book/body/174218004-3/925169573/1679/31.html#4-u1.0-B978-0-443-06687-0..50030-8--cesec16_721. Accessed Feb. 2, 2012.
  3. Flint PW, et al. Cummings Otolaryngology: Head & Neck Surgery. 5th ed. Philadelphia, Pa.: Mosby Elsevier; 2010. http://www.mdconsult.com/books/about.do?about=true&eid=4-u1.0-B978-0-323-05283-2..X0001-8--TOP&isbn=978-0-323-05283-2&uniqId=230100505-57. Accessed Feb. 2, 2012.
  4. Canker sores, cold sores & common mouth sores. American Dental Association. http://www.ada.org/2982.aspx?currentTab=1. Accessed Feb. 2, 2012.
  5. Stomatitis. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/dental_disorders/symptoms_of_dental_and_oral_disorders/stomatitis.html. Accessed Feb. 2, 2012.
  6. Rakel D. Integrative Medicine. 2nd ed. Philadelphia, Pa.: Saunders Elsevier; 2007. http://www.mdconsult.com/das/book/body/208746819-2/0/1494/0.html. Accessed Feb. 6, 2012.
  7. Goldstein BG, et al. Oral lesions. http://www.uptodate.com/home/index.html. Accessed Feb. 6, 2012.
  8. AskMayoExpert. Recurrent aphthous ulcers. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2011.
  9. Morelli V, et al. Alternative therapies for common dermatologic disorders, part 2. Primary Care Clinics in Office Practice. 2010;37:285.
  10. Bailey J, et al. What is the most effective way to treat recurrent canker sores? The Journal of Family Practice. 2011;60:621.
  11. Messadi DV, et al. Aphthous ulcers. Dermatologic Therapy. 2010;23:281.
  12. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. Feb. 21, 2012.
DS00354 March 24, 2012

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