canker sore

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a popular term for any lesion of the skin or mucous membrane.
bed sore popular term for pressure ulcer.
cold s's herpes febrilis.
desert sore a form of tropical phagedenic ulcer seen in desert areas of Africa, Australia, and the Middle East.
pressure sore pressure ulcer.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

canker sore

A small, painful ulcer or sore, usually of the mouth.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

canker sore

One or more painful, recurrent ulcers of the oral cavity or vermilion border, preceded by tenderness and pruritus, which begins as an erythematous indurated papule that rapidly erodes, leaving an ulcer covered with greyish exudate. Time from onset to healing: ± 10–14 days.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

canker sore

Aphthous ulcer, cold sore, fever blister One or more painful, recurrent ulcers of the oral cavity or vermilion border, preceded by tenderness and pruritus, beginning as an erythematous indurated papule that rapidly erodes, leaving an ulcer covered with grayish exudate–time from onset to healing ± 10-14 days; most CSs are idiopathic and may be due to allergy, autoimmunity, drugs, endocrinopathy, infections–viral, nutritional–vitamin deficiency, stress or trauma, with 2º bacterial infections that respond to topical tetracycline; CSs may respond poorly to treatment, and require oral rinses with benadryl, xylocaine and corticosteroids
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


1. Tender; painful.
2. Any type of tender or painful ulcer or lesion of the skin or mucous membrane.

bed sore

Pressure ulcer

canker sore

Aphthous ulcer.

cold sore

A thin-walled blister at the junction of the mucous membranes of the mouth and lips. It is caused by recurrent infection with herpes simplex virus (HSV) in those who have antibodies to HSV. Treatment is recommended only for immunocompromised patients, who are given acyclovir.
See: fever blister

Delhi sore

Cutaneous leishmaniasis.

desert sore

An ulcer of the skin of the arms or legs, sometimes caused by diphtheria or staphylococci, typically contracted in Australia or Burma.

hard sore

A syphilitic chancre; primary lesion of syphilis.

jungle sore

Infection of the skin or of poorly tended wounds by Corynebacterium diphtheriae, esp. in warm, moist, tropical climates.

Oriental sore

Cutaneous leishmaniasis.
Enlarge picture

pressure sore

Pressure ulcer.illustration

primary sore

The initial sore or hard chancre of syphilis.

soft sore


soft venereal sore

A former name for

tropical sore

Cutaneous leishmaniasis.

wine sore

A slang term for a superficial infected area of the skin seen in alcoholics with poor personal hygiene. It is erroneously thought to be due to specific action of the wine.
Medical Dictionary, © 2009 Farlex and Partners

canker sore

A small painful mouth ulcer. See also APHTHOUS ULCER.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Canker sore

A blister-like sore on the inside of the mouth that can be painful but is not serious.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

Patient discussion about canker sore

Q. Is it possible to prevent appearance of oral aphthae? I get these a lot and lately I've heard it comes as a result of stress or weak immune system. Is that true? Is there a way to make it go away forever????? anyone who has ever had this annoying thing in his mouth knows what I'm talking about... I know all the possible curing ways- I'm looking for prevention now...thanx!

A. welcome to my life! every time the air get's a little dry i get 1-3 aphthae and can't eat for the next 4-6 days. so i investigated a little, and i'm sorry but right now no one really knows what causes them. they know that from some reason the body get's an immune reaction in the oral mucosa and that causes an ulcer. but a friend of mine went to an Ayurveda therapist that told him to stop eating tomatoes and eggplants (in any way, cooked,baked,fried) and he says he stop getting aphthae. so you might try Ayurveda for prevention. it could help...

Q. aphthous stomatitis can someone please explain me what it is? and what is the best way to treat it?

A. A canker sore (aphthous stomatitis) is an illness that causes small ulcers to appear in the mouth, usually inside the lips, on the cheeks, or on the tongue. What causes aphthous stomatitis (canker sores)?
The exact cause of this disease is not known. There are many factors that are thought to be involved with the development of canker sores, including:

Weakened immune system
Certain allergies may cause the lesions to appear, such as:
Citrus fruits
Viruses and bacteria

The following are the most common symptoms of aphthous stomatitis. However, each child may experience symptoms differently. Symptoms may include:
Ulcers in the mouth, usually inside the lips, on the cheeks, or on the tongue
Ulcers that are covered with a yellow layer and have a red base
For the full article: Hope this helps.

More discussions about canker sore
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References in periodicals archive ?
Given this additional information about canker sores, I began to wonder if dietary exposure to gluten had somehow played a significant part in Melissa's precipitous descent into an autistic-like state.
Canker sores in the mouth may be caused by bacteria or viruses, by chemical irritants such as alcohol and tobacco, or by gastric upset.
Experts estimate recurrent canker sores affect 20% to 30% of the population, with a tendency to run in families.
Between 20% and 50% of young people will get one to four episodes of canker sores each year on the soft tissues of the mouth but not the hard palate or gingivae.
The woman was originally from Jamaica; when she was growing up, this bitter-tasting herb was used as a compress for canker sores. Having vacationed in Jamaica, I had been introduced to sorrel as a Christmas beverage--I recalled that it tasted a little like ginger.
Viruses, hormonal imbalance, allergy, stress, and trauma have all been implicated in the production of canker sores, of which the last, trauma, is most certainly a factor.
Orajel Protective Mouth Sore Discs provide maximum strength pain reduction and protection against mouth sores, canker sores and denture pain.
A canker sore that lasts longer than a week without any signs of healing may be an indication of a more serious medical problem.
While such products as Violight's UV sanitizers and Orahealth's treatments for canker sores and its soon-to-be-released formulas for other oral health conditions have helped take the category in new directions, most industry insiders note that in recent years makers of oral care products have also made strides in advancing the effectiveness of the items they market.
Del has also addressed the 20% of the nation with recurring canker sores, introducing Orajel Ultra Canker Sore Medicine.
Colgate Orabase Sooth-N-Seal is designed to function like a flexible liquid bandage, sealing off irritated nerve endings and forming a protective barrier over the canker sore. The protection lasts for up to six hours, company officials say, allowing consumers to eat and drink normally without further irritation.
The Rembrandt line has since expanded to include a brushing gel, a canker sore pain relief kit, a nonalcohol-based mouthwash, breath drops, a toothpaste and a mouthwash that are formulated with natural ingredients, and other dentifrices.