There are several possibilities for what causes a white coating on the tongue, or THRUSH. The most common cause of a white coating is a candidal infection, which is caused by fungus. Thrush can also be caused by antibiotics or steroids that were inhaled for sinus or asthma issues. A white coating can also simply be the buildup of dead cells on the tongue. Finally, a white coating on the tongue may be caused by dehydration! If you aren't drinking enough water, it's possible that little pieces of ...
Read Complete Answer