Eating yam has numbness around the mouth. This symptom is first to rule out whether you are allergic to yam. If there is an allergy, this numbness of the corners of the mouth will appear.

In addition, when eating yam with numbness around the mouth, we should pay attention to whether the hand of yam is completely cooked during the cooking process, or whether the skin of yam is eaten. Because yam contains some unique plant alkaloids, these plant alkaloids can cause symptoms of numbness in the mouth, so some people eat too much yam, which will lead to all kinds of numbness around the mouth, or the tongue is astringent.

Therefore, it is necessary to pay special attention to, first of all, to rule out allergies, and then to determine whether yam is completely cooked.