A lump inside the mouth can be alarming because it is easy to imagine the worst. In many cases, mouth bumps turn out to be harmless. They may come from irritation, a blocked salivary gland, swollen ...

Medically reviewed by Edmund Khoo, DDSMedically reviewed by Edmund Khoo, DDS A ranula is a cyst under the tongue. It happens when a saliva gland leaks saliva into the surrounding tissue, forming a ...