on the surface of the tongue bordered by grayish white which may disappear and reappear in a short period of time. Its cause is uncertain, though tends to run in families and is more commonly found in people who are affected by environmental sensitivity, such as allergies, eczema, and asthma. Some think that it may be linked to stress or diets high in sugar or processed foods.Geographic tongue is not associated with any known systemic diseases.
While there is no known cure or commonly prescribed treatment for geographic tongue, there are several ways to suppress the condition, including avoiding foods which exacerbate the problem. Some people affected by geographic tongue also report that taking Vitamin B supplements causes the condition to go away temporarily. Burning sensation may also be reduced by taking antihistamines.If it persists, it would be best to have this evaluated further by your doctor for proper management.