Why do I need C. diff testing?You may need C. diff testing if you have any of the following symptoms, especially if you've recently taken antibiotics.Watery diarrhea three or more times a day, lasting for more than four daysAbdominal painNausea and vomitingLoss of appetiteBlood or mucus in the stoolWeight lossYou are more likely to need C. diff testing if you have these symptoms, along with certain risk factors. You are at higher risk for getting a C. diff infection if you:Are aged 65 or olderLive in a nursing home or health care facilityAre a patient in a hospitalHave inflammatory bowel disease or other disorder of the digestive systemRecently had gastrointestinal surgeryAre getting chemotherapy for cancerHave a weakened immune systemHad a previous C. diff infection
