Content on this website is intended for United States residents only.
Please answer this brief questionnaire to see if you pre-qualify for The Balance Study

The information you provide here will remain private and will only be used to determine if you, or someone you know, might be eligible for this study.

This question is required
Are you between 18 and not more than 80 years of age?
This question is required
Have you been diagnosed with irritable bowel syndrome?
IBS is a common digestive condition that can cause abdominal pain, bloating, diarrhea, or constipation.
This question is required
Do you experience frequent or intense abdominal pain, and changes in bowel habits (diarrhea, constipation, or both)?
This question is required
Which of these symptoms do you experience?
This question is required
Are you willing to use an electronic diary (a smartphone app) to keep track of your symptoms daily or borrow a smartphone with app provided by the study site?
This question is required
Do you smoke or use other nicotine products (including vaping) to the equivalent of more than 5 cigarettes a day?