<qa>  What is the maximum amount of loperamide per 24 hours?- Any drug, including prescription and nonprescription medications, herbal remedies, or vitamin supplements including proton-pump inhibitors beginning 14 days prior to the first dose of study drug and throughout the study. Acetaminophen up to 2 g per 24 hour period andor loperamide up to 6 mg per 24 hours may be permitted during the study at the direction of the PI. 