
Have A Hiatis Herna And Tears In Upper Stomach. Having Abdominal Pain. What Causes Blood In Faeces?

Thanks for posting your query.
Presence of hiatus hernia with tear cause black colored blood in stool as blood color changes after exposure to acid in stomach. Red color blood from hiatus hernia and tear occurs only when massive amount of blood passes directly in stool without proper time for changing in black color. And in such condition, some amount of blood may also come through mouth.
Pain in lower abdomen and during peeing suggest some sort of disease in large/ small intestine and at peeing site.
You should consult with physician/ surgeon for localized anal disease. Hemorrhoid and anal fissure, these two disease are very common at peeing site. If these disease are not present, then you should go for colonoscopy.
Although Prolapse causes mass feeling but sometimes blood may occur during localized injury.
You should also consult with gynecologist.
Put your views if you have.
Best regards,
Dr. Mayank Bhargava

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