 10. The use of medications that interact with Domperidone. a. Subjects may be required to stop use wash-out of medications that interact with Domperidone. If the subject is not willing or able to stop use of the interacting medication, they may be excluded or withdrawn from the study at the investigators discretion. Based on the medication the subject may be required to stop-use or wash out from, the PI will determine the appropriate washout period using clinical judgment. Some medications may require much longer washout periods than others, and this will be explained to each respective subject that requires stopping a medication. 