Oral candidiasis (patient information)
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Oral candidiasis |
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Oral candidiasis On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Thrush is a yeast infection of the mucus membrane lining of the mouth and tongue.
What are the symptoms of Oral candidiasis?
Thrush appears as whitish, velvety lesions in the mouth and on the tongue. Underneath the whitish material, there is red tissue that may bleed easily. The lesions can slowly increase in number and size.
What causes Oral candidiasis?
Thrush is caused by forms of a fungus called Candida. A small amount of this fungus lives in your mouth most of the time. It is usually kept in check by your immune system and other types of germs that also normally live in your mouth. However, when your immune system is weaker, the fungus can grow, leading to sores (lesions) in your mouth and on your tongue. The following can increase your chances of getting thrush:
- Taking steroid medications
- Having an HIV infection or AIDS
- Receiving chemotherapy for cancer or drugs to suppress your immune system following an organ transplant
- Being very old or very young
- Being in poor health
Who is at highest risk?
Thrush is commonly seen in infants. It is not considered abnormal in infants unless it lasts longer than a couple of weeks. Candida can also cause yeast infections in the vagina. People who have diabetes and had high blood sugar levels are more likely to get thrush in the mouth (oral thrush), because the extra sugar in your saliva acts like food for Candida. Taking high doses of antibiotics or taking antibiotics for a long time also increases the risk of oral thrush. Antibiotics kill some of the healthy bacteria that help keep Candida from growing too much. People with poorly fitting dentures are also more likely to get thrush.
When to seek urgent medical care?
Diagnosis
Treatment options
Where to find medical care for Oral candidiasis?
Directions to Hospitals Treating Oral candidiasis
What to expect (Outlook/Prognosis)?
Possible complications
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