Domperidone reduces hypoprolactinemia effect of bromocriptine.
Administration of muscarinic anticholinergic and opioid analgesic concomitantly can reduce the bioavailability of domperidone.
Antacids can reduce the bioavailability of domperidone if administered concomitantly.
Drug bioavailability may increase from 13% to 23% if administered 1.5 hours after meals.