If you develop a red, painful bump on your skin, it could be a blood blister.
But how can you tell?
And is a blood blister something to worry about?
Heres what blood blisters look like, their causes, and what to do about them.
What Is a Blood Blister?
This color change is part of the healing process as the body reabsorbs the blood.
Blood blisters can also vary in size, with some causing itching.
The affected area can feel warm or sore to the touch, notes Chacon.
Causes and Risk Factors for a Blood Blister
Blisters are one of the bodys responses to injury.
Risk factors for a blood blister include:
How Is a Blood Blister Diagnosed?
Theres no specific test to diagnose a blood blister doctors can identify it through a visual examination.
How Long Does a Blood Blister Last?
She practices general, medical, cosmetic, and surgical dermatology.Dr.
She is a member of the voluntary faculty at the University of Miami.
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