Dietary factors, such as a diet high in white bread and processed meat
The main problem is severe burning or tearing pain during and after a bowel movement. A person may also pass bright red blood or mucous.
The doctor will ask about your symptoms and health history. A physical exam will be done. It will focus on the anus. The doctor will likely be able to see an anal fissure. This is enough to make the diagnosis.
If the diagnosis is not clear, these tests may be done:
Digital rectal exam—to feel for any lumps or abnormalities
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