It causes blister formation :)
A blister has clear fluid under the skin, and a blood blister has blood under the skin. If it's a burn, it's most likely a blister.
of Blister
A blood blister is a blister filled with blood, usually caused by a sharp pinch to the skin.
The best way to care for a Blister is to allow it to heal naturally. Take care not to pop the Blister, as this will cause pain and possibly infection in the afflicted area. The Blister should eventually burst itself after new skin has formed beneath the area.
Blister
reduce the protection time
Blisters should not be pricked unless they are painful. Basically, a blister is when the top layer of skin is damaged, and your body's reaction is to "replace" the skin with new skin. You'll notice that the blister is filled with liquid if you puncture it, and that's because the water helps the new layer of skin "develop". The new layer skin is vulnerable and opening up the blister during the healing process opens up the wound area to infection and can slow the process.
Drinking a lot of acid will not cause a fever blister.
It is a blister
popping it
it typically depends on the conditons i would be cause it helps relive pain right after that i usually put bag-balm on it going from the surrounding area in to pervent further infection. REMEMER not to let dirt and moisture near the area(s), because it thrives on those things.