Medical Encyclopedia:
Skin Biopsy: Precautions
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More about Skin Biopsy:
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A patient taking aspirin or another blood thinner (anticoagulant) may be asked to stop taking them a week or more before the skin biopsy. This adjustment in medication will prevent excessive bleeding during the procedure and allow for normal blood clotting.
Some patients are allergic to lidocaine, the numbing agent most frequently used during a skin biopsy. The doctor can usually substitute another anesthetic agent.
— Collette L. Placek
