Fever Blister Diagram. Blisters are small pockets of clear fluid under a layer of skin. It is not a dangerous or life threatening health problem.
Affected by fever blisters the skin around your mouth and on your lips is red sore and swollen. Or extreme dryness wind or cold exposure that results in chapping. A generalized tonic clonic grand mal seizure seen in infants to toddlers.
Human cells infected with a virus may undergo programmed cell death.
This page is about facial sores which can also be called fever blisters facial herpes or herpes labialis. A small blister occurring on the mouth lips or face and caused usually by herpes simplex virus type one. Blood blisters may look red or black and are filled with blood instead of clear fluid. A fever blister develops as a result of the herpes simplex virus.