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Definition A canker sore is a painful, open sore in the mouth. Canker sores are white or yellow and surrounded by a bright red area. They are not cancerous. A canker sore is not the same as a fever blister (cold sore). Alternative Names Aphthous ulcer; Ulcer - aphthous Causes, incidence, and risk factors Canker sores are a common form of mouth ulcer . They may occur with viral infections. In some cases, the cause cannot be determined. Canker sores may also be linked to problems with the body's immune (defense) system. The sores may occur after a mouth injury due to dental work, aggressive tooth cleaning, or biting the tongue or cheek. Canker sores can also be triggered by: Emotional stress Lack of certain vitamins and minerals in the diet (especially iron, folic acid , or vitamin B-12 ) Menstrual periods Hormonal changes Food allergies Anyone can develop a canker sore. Women are more likely to get them than men. Canker sores may run in families.
Sores or lesions on the female genitalia or in the vagina may have a number of possible causes.
Sores on the female genitals
Genital sores may be painful, itchy, produce a discharge, or cause no symptoms at all.
Because genital lesions or sores can have a negative affect on a person's self-image, many people do not seek proper medical care. All genital sores should be evaluated by a medical professional.
Itching, painful urination, or painful sexual intercourse often occur with genital lesions.
Sores or lesions on the female genitals are often caused by sexually transmitted infections (STIs). STIs that can cause these sores include:
Precancerous changes of the vulva (vulvar dysplasia) may...
Canker sores and fever blisters
Are fever blisters and canker sores the same thing?
No. Canker sores occur only inside the mouth and are not contagious. They sometimes occur as a result of trauma (biting the inside of the lip, burning the mouth with hot food), but may also occur without any known reason.
or cold sores are caused by herpes simplex virus type 1 and are very contagious. Fever blisters often come back in the same location.
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