A Blood Blister is a collection of blood that forms a bubble under the skin and can be quite large or very small.

A blood blister is a pouch of blood that forms under the skin due to a pinch or bruise of some sort. A blood blister can be quite painful when it first occurs. If you break a blood blister, only a small amount of blood will come out, but it will leave the skin raw and sore. This leaves the skin open to infection.

Some people put a band - aid over a blood blister to protect it from breaking. If left alone, a blood blister will dry up and heal, but it may take a few days. In the meantime, the skin around the blood blister will be very sore.

The best treatment for a blood blister is to drain the blood from the pouch without braking open the top skin. Leaving the top skin over a blood blister lessens the possibility of infection. In order to drain a blood blister you can take a very sharp pin and sterilize it in scalding hot water. Put it through the skin at the bottom of the blood blister and allow the blood to drain out. This allows the blood blister to heal without causing any opening in the top skin. Applying an antiseptic ointment after breaking the blood blister speeds up the healing and prevents infection. You should then cover the area of the blood blister with a bandage and change the dressing daily until the blood blister heals.

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