My brother poops four times a day. Is this normal? Your poop questions, answered.

Hi, I’m Trisha Pasricha, a gastroenterologist and the Ask a Doctor columnist at The Washington Post. I completed my internal medicine residency at the Johns Hopkins Hospital and fellowships in gastroenterology and motility at Massachusetts General Hospital. In addition to seeing patients in clinic and performing endoscopies, I lead a lab investigating gut disorders at Harvard Medical School, where I’m an instructor of medicine. In my 10-year career, I have seen all kinds of poop problems, from irritable bowel syndrome to itchy hemorrhoids.

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