Important Announcements

Nondiscrimination Policy Update

Boston Medical Center Health System complies with applicable Federal civil rights laws and does not discriminate on the basis of age, race, color, national origin (including limited English proficiency and primary language), religion, culture, physical or mental disabilities, socioeconomic status, sex, sexual orientation and gender identity and/or expression. BMCHS provides free aids and services to people with disabilities and free language services to people whose primary language is not English.

To read our full Nondiscrimination Statement, click here.

The hydrogen breath test is used to identify one of two conditions: lactose intolerance or an abnormal growth of bacteria in the intestine. The patient will blow up a balloon-type bag. Then, the patient will drink a solution and breath samples will be collected every 15-20 minutes for up to 3 hours.