Canker Sores

  • Medical Author:
    John P. Cunha, DO, FACOEP

    John P. Cunha, DO, is a U.S. board-certified Emergency Medicine Physician. Dr. Cunha's educational background includes a BS in Biology from Rutgers, the State University of New Jersey, and a DO from the Kansas City University of Medicine and Biosciences in Kansas City, MO. He completed residency training in Emergency Medicine at Newark Beth Israel Medical Center in Newark, New Jersey.

  • Medical Editor: Jerry R. Balentine, DO, FACEP
    Jerry R. Balentine, DO, FACEP

    Jerry R. Balentine, DO, FACEP

    Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.

Canker Sores (Mouth Sores) Symptoms

Some people may experience the following related canker sores symptoms and signs:

  • Bleeding Gums
  • Lump Or Mass On Gums
  • Painful Gums

Quick GuideTop Problems in Your Mouth

Top Problems in Your Mouth

Canker sore definition and facts

  • Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips, or throat.
  • Symptoms of canker sores include small, painful, crater-like ulcers.
  • See a doctor if canker sores are accompanied by fever, last more than three weeks, or the affected individual has difficulty swallowing.
  • Multiple factors may cause canker sores, including injury to the mouth, acidic or spicy foods, vitamin deficiencies, hormones, stress, or autoimmune disorders.
  • Canker sores are not the same thing as fever blisters (cold sores).
  • Most canker sores require no treatment and heal on their own.
  • To help relieve pain and speed healing, treatments and home remedies for canker sores include topical medications, mouthwashes, and over-the-counter pain medications.
  • People with frequent canker sores should see their doctor to get tested for possible underlying medical conditions.
Reviewed on 10/10/2016
References
REFERENCES:

Femiano, F., Lanza, Alessandro. et al. Guidelines for Diagnosis and Mangement of Aphthous and Stomatitis. The Pediatric Infectious Disease Journal. August 2007; vol 26: pp 728-732.

PubMedHealth.gov. Canker Sore.

University of Maryland Medical Center. Goldenseal.

University of Maryland Medical Center. Licorice.

WebMD.com. Canker Sores.

WebMD.com. Understanding Canker Sore Symptoms.

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