2. Common Causes

Perianal hematomas are caused by an action or injury that puts a strain on the blood vessels around the anus. Constipation, and the action of straining to pass stool, can cause these blood vessels to rupture. Pressure on the anus during pregnancy and childbirth can also lead to the condition. Lifting heavy weights, severe coughing, certain medical procedures and sitting still for a long time can also put undue pressure on the anus.

common causes Perianal hematoma

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