Treatment depends on the location and severity of the hematoma. Small hematomas that produce no other symptoms do not require treatment in many cases. Abdominal hematomas may require embolization or surgical intervention to stop any active bleeding. If the bleeding stops on its own, though, treatment usually focuses on managing symptoms and monitoring for recurrence instead of draining the hematoma.
Doctors monitor intracranial hematomas closely. If they are small and produce no neurological symptoms, doctors usually do not remove them. Symptoms can take days to appear, and they can worsen quickly. If severe enough, people with intracranial hematomas can require surgical drainage or brain surgery.

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