10 Causes of White Tongue
Cause #2: Oral Lichen Planus
Oral lichen planus is a chronic condition of the immune system that results in white patches and lacy white streaks on the mouth and tongue. In most cases, symptoms are mild and don’t require any treatment. Although the cause for oral lichen planus is unknown, it is not thought to be infectious.
Severe cases can be managed with the aid of antiseptic mouth washes or steroid sprays. Some believe that it may be caused by a reaction to blood pressure and pain medicine. Those who suspect oral lichen planus should see a doctor to confirm or rule out the condition.
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