Symptoms to Expect
A blood blister may cause:
A raised, bubble-like area under the skin
Dark red, purple, or black coloring
Tenderness or pressure pain
Occasional swelling around the area
Most blood blisters are not dangerous and heal on their own within one to two weeks.
Should You Pop a Blood Blister?
In most cases, no. The intact skin over a blood blister acts as a natural barrier against infection. Popping it increases the risk of bacteria entering the wound and can slow healing.
If a blood blister bursts on its own:
Gently clean the area with soap and water
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