Drugs to be
avoided or Used with Caution in Breast-feeding
Drugs
Comments
Barbiturates
Avoid if possible Large doses
may produce drowsiness.
Benzodiazepines
Avoid repeated doses; lethargy
and weight loss may occur in infant.
Bromide salts
Avoid; sedation and rash in
infant
Chloral hydrate,
Dichloralphenazone
Sedation in infant.
Meprobamate
Concentration in milk may exceed
maternal plasma concentrations fourfold and may cause drowsiness
in infant.
(b)
Antipsychotic drugs
Haloperidol
Amount excreted in milk probably
too small to be harmful.
Lithium salts
Monitor infant for possible
intoxication; low incidence of adverse effects but increased
by continuous ingestion. Good control of maternal plasma concentrations
minimises the risk.
Phenothiazine derivatives
As for haloperidol, but drowsiness
has been reported with chlorpromazine
(c)
Analgesics
Narcotic analgesics
Diamorphine, Morphine
Therapeutic doses are unlikely
to affect infant. Withdrawal symptoms occur in infants of dependent
mothers. Breast-feeding is no longer considered best method
of treating dependence in offspring of dependent mothers and
should be stopped
Methadone
Withdrawal symptoms
in infant; breast-feeding permissible during maintenance dosage