What is gustatory sweating?

Gustatory sweating is sweating that occurs on the forehead, scalp, neck, and upper lip while eating, talking, or thinking about food.

Gustatory sweating can occur for no apparent reason or as a result of an underlying condition, such as diabetes or Parkinson’s disease. These diseases can also cause damage to the nerves in the mouth. When the nerves become injured, they can become confused and cause sweating.

Gustatory sweating may cause some people distress, as thinking about food can trigger the reactions of sweating. Since there is often an underlying cause, a person should talk to their doctor to find out what may be causing the sweating.

People do not necessarily need to see a doctor after sweating from eating food. Those who only sweat while eating either very hot or spicy foods have no reason to be concerned.

Some people who experience Frey’s syndrome may consider it to be a nuisance but do not consider it significant enough to seek help.


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