• Tell your provider about any medicines you take. This includes prescription medicines, over-the-counter medicines, herbs, vitamins, and other supplements. Be sure to mention aspirin or any blood thinners you’re taking. • Let your provider know if you need to take antibiotics before dental procedures. You may need to take them before esophageal dilation as well. • Tell your provider about any health conditions you have, such as heart or lung disease. Also mention any allergies to medicines. • You’ll need to have an empty stomach for the procedure. Follow your provider’s instructions for not eating and drinking before the procedure. • Arrange to have a family member or friend drive you home after the procedure.