Shingles, or herpes zoster, is an infection caused by the varicella-zoster virus. It commonly affects the skin, but it's also possible to get shingles in the mouth. The varicella-zoster virus is the same virus that causes chickenpox, also known as varicella. Chickenpox mainly affects children. However, after an infection, the virus can stay in your nervous system for many years without causing symptoms. If the virus reactivates later in life, it can cause shingles. This typically happens in older adults or in people with weakened immune systems due to medications they're taking, health conditions, or high levels of stress. Read on to learn more about oral shingles, along with options for prevention and treatment. The typical symptoms of oral shingles include: a tingling or burning sensation in the mouth facial tenderness tooth or mouth pain rash or blisters on the face or mouth (including the tongue) fever fatigue The symptoms can vary depending on the stage of infection. The s...