Are there any risks to testing?There is very little risk to having a blood test. You may have slight pain or bruising at the spot where the needle was put in, but most symptoms go away quickly.There is no known risk to having breath or stool tests.During an endoscopy, you may feel some discomfort when the endoscope is inserted, but serious complications are rare. There is a very small risk of getting a tear in your intestine. If you had a biopsy, there is a small risk of bleeding at the site. Bleeding usually stops without treatment.
