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Aphthous stomatitis, [2] or recurrent aphthous stomatitis (RAS), commonly referred to as a canker sore or salt blister, is a common condition characterized by the repeated formation of benign and non-contagious mouth ulcers (aphthae) in otherwise healthy individuals.
Diagramatic representation of mucosal erosion (left), excoriation (center), and ulceration (right) Simplistic representation of the life cycle of mouth ulcers. An ulcer (/ ˈ ʌ l s ər /; from Latin ulcus, "ulcer, sore") [2] is a break in the skin or mucous membrane with loss of surface tissue and the disintegration and necrosis of epithelial tissue. [3]
Cold sores. These fluid-filled blisters appear on the lips as a symptom of an oral herpes infection. Unlike canker sores, cold sores are contagious. Once you are infected with the herpes simplex ...
Aphthous stomatitis (canker sores) is the recurrent appearance of mouth ulcers in otherwise healthy individuals. The cause is not completely understood, but it is thought that the condition represents a T cell mediated immune response which is triggered by a variety of factors.
Canker sores are open sores in the mouth that can be treated at home, but can also be linked to medical conditions if they persist. Dermatologists explain. Doctors Say Frequent Canker Sores Can Be ...
Herpangina, also called mouth blisters, is a painful mouth infection caused by coxsackieviruses.Usually, herpangina is produced by one particular strain of coxsackie virus A (and the term "herpangina virus" refers to coxsackievirus A), [1] but it can also be caused by coxsackievirus B or echoviruses. [2]
The infection is often accompanied by lymphadenopathy (enlargement of the lymph nodes), fever, sore throat, and headache. [5] Often, the accompanying symptoms are much more of an inconvenience than the actual skin blisters and rash. [citation needed] Each blister contains infectious virus particles . Close contact, particularly abrasive contact ...
Going to school with mild cold symptoms, sore throat, mild rash or pinkeye are all “OK.” What’s more, California doesn’t insist on waiting 24 hours after a fever or vomiting before ...