A white tongue with a crack in the middle is often a sign of a furrowed tongue, which is generally associated with geographic environment genetics, but may also be a sign of systemic diseases.
1. Systemic diseases. The tongue is white with cracks in the middle, may be chronic bronchitis, diabetes and other chronic diseases, affecting digestion and absorption, resulting in nutritional disorders, so that the tongue mucosa relaxation produces grooves, may also be syphilis, aspergillosis, acromegaly, acromegaly accompanying manifestations.
2. The body is infected or genetically related. Viral infection of the body mossy lesions or genetic factors will produce furrowed tongue.
If there is a furrowed tongue, the tongue can be found to have an open furrow crack-like damage, generally no conscious symptoms, it is recommended to go to the hospital in time for examination and treatment.