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Tests and diagnosis
By Mayo Clinic staffIf you have diarrhea that requires medical attention, your doctor will ask about your symptoms and will want to determine if you're dehydrated. Tell your doctor about any medications you're taking, including over-the-counter medications — they may have caused the diarrhea.
Your doctor may examine your abdomen to determine the location of your pain, may listen to your abdomen with a stethoscope and may perform a rectal exam. Your doctor may suggest blood or stool tests to check for signs of infection or other abnormalities.
