This is the protocol for a review and there is no abstract. The objectives are as follows:
To assess the effect of medication taken by mothers to augment the breastfeeding of their preterm or hospitalised infants on the outcome of breastmilk supply (breastmilk volume and duration of breastfeeding). Trials of breastmilk augmenting medications that are compared with placebo or with other augmenting medications are to be considered.
To assess maternal and infant adverse effects from medications taken to augment breastfeeding, when compared with placebo.