Numbness of the tongue and loss of taste is when you feel a swollen, burning sensation on your tongue and loss of appetite. The most common causes of tongue numbness are allergic reactions to certain foods, low calcium levels in the blood, bacterial infections such as Lymes disease, or conditions related to the nervous system. Knowing the cause of your burning tongue and loss of taste will help you access appropriate treatment options.

Facial numbness typically results from nerve damage, compression, or irritation. A pair of nerves run along both sides of the head, which are responsible for pain, temperature, tactile sensation, and other sensory modalities in the face. The following are frequent etiologies of facial numbness.