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Fracture blisters are vesicles or bullae secondary to swelling from soft-tissue injury. The most affected areas include the tibia, ankle, and elbow. Patients note formation within 1 to 2 days after trauma and complain of pain, swelling, ecchymosis, and decreased range of motion. Complications include infection, deep venous thrombosis, and compartment syndrome.
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Management and Disposition
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Blisters are generally left intact, and the underlying fracture is treated.
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Blisters can be seen with other conditions, including barbiturate overdose and burns. In the setting of trauma, however, they frequently indicate an underlying fracture.
Blisters are managed in a similar fashion to second-degree burns.
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