Other common causes of tongue blisters include food allergies, viral infections, mouth ulcers, burning tongue syndrome, and medical conditions such as diabetes, anemia, or even oral cancer.

Cold sores are a lesion that can appear on and around the mouth. While they aren't dangerous, they can be uncomfortable, itchy, and unsightly. Cold sores usually resolve themselves within a few ...

FILE - A woman applies lip balm in Long Pond ... in chemical-based sunscreens called oxybenzone can also trigger allergies. These allergic reactions are driven by our immune systems, Mann said.