Cytotoxic drugs that may interfere with cellular metabolism of the nursing infant.
Drugs for which the effect on nursing infants is unknown but may be of concern.
Drugs of abuse for which adverse effects on the infant during breastfeeding have been reported.
Drugs that have been associated with significant effects on some nursing infants and should be given to nursing mothers with caution.
Maternal medication usually compatible with breastfeeding.
Radioactive compounds that require temporary cessation of breastfeeding.