There are two main causes of rectal foreign bodies, which are foreign bodies swallowed into the digestive tract or foreign bodies pierced from the outside. Patients often present with sudden and severe pain during defecation, possibly due to a foreign body impinging on the rectal wall. Rectal foreign bodies should be removed immediately to prevent complications caused by foreign bodies.

Rectal foreign bodies are often accidentally swallowed by the patient. At this time, the patient often presents with sudden and severe pain during defecation due to the foreign body impinging on the rectal wall. In this case, if the rectal foreign body is removed immediately, there will be no dangerous complications.