Does Domperidone work to increase breast milk supply?

Yes, domperidone has been shown to be effective in increasing breast milk supply. Domperidone is a dopamine antagonist that increases prolactin levels, which promotes milk production. Prolactin is a hormone that stimulates the milk glands in the breasts to produce milk. Domperidone is generally well-tolerated with few side effects; more likely to occur the higher the dose taken, and more frequently reported side effects include headache, diarrhea, anxiety, drowsiness.