A tingling tongue is usually not cause for concern. However, it can be the sign of a more serious condition. For example, tongue numbness sometimes accompanies ministrokes. If one's tongue tingles in conjunction with symptoms such as weakness or numbness in the extremities, face, or on one just one side of the body, facial droop, difficulty speaking, confusion, loss of sight, loss of balance, and severe headache, medical assistance should be sought.
Allergic reactions sometimes cause a tingling tongue. This includes a reaction to food or chemicals, which cause the tongue to itch, swell, and tingle. During an allergic reaction, ther immune system becomes confused and mistakes regular food or other innocuous compounds for harmful substances. Common foods that trigger allergies include peanuts, eggs, milk, shellfish, fish, soy, and wheat. In many cases, allergies also present with symptoms such as
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