Fever blisters are red eruptions which are filled with a fluid-like substance. It is a common viral infection that affects the area surrounding the mouth. Let us find out more on fever blisters on lips.
Canker sores are a common oral health issue. Also known as aphthous ulcers, cancer sores are very painful. They can appear anywhere inside the oral cavity – on the inside of your lips and cheeks, the base of your gums, on or under your tongue.