Developing a sore on the roof of your mouth can mean anything It can occur due to an injury irritation or an infection The key is to not only identify the underlying cause but also to know how to diff ...

Viral infections-specifically herpes simplex virus (HSV)-can cause painful blisters or lesions on the roof ... dry mouth, but saliva also protects your oral tissues and helps wash away bacteria.

A salivary gland infection can develop when harmful bacteria or viruses build up in the salivary glands. These are located in the head and neck and produce saliva. It typically causes swollen ...