Excretion of meds in human milk Flashcards
(19 cards)
% of infants breastfeeding when discharged
% of infants breastfeeding after 6 months
77; 35
Advantages of breast milk
passive transfer of antibodies
dec UTI, otitis media, GI illness
enhanced bonding etc
Who takes more meds, preg or lactating moms:
lactating
pH of breastmilk
7.0
Make up of breastmilk
fat and protein in a lactose and mineral solution
How many mL’s can a lactating mother produce in a day?
600 mL
Rate of milk synthesis is at its maximum when breast is:
empty
The mechanism of drug excretion is through
diffusion
degree of ionization of drug and a difference in pH exists across the membranes
Drugs and chemicals <_____ daltons can cross by simple diffusion
200
Concentrations in milk parallel the plasma concentrations in
urine
transport from plasma to milk is ____
rapid
Amount of drug available for the infant to absorb is <___% of maternal dose
1
risk to infant is very small with the exception of the neonate and infant younger than:
2 months of age
use of these substances in common and may need to delay the test, use a different test, or dc breastfeeding for set periods of time
radioactive isotopes
Most common herbal supplement in lactating mothers
fenugreek
Can possible decrease milk production
oral contraceptives
These drugs include antidepressants, anti anxiety, and antipsychotic drugs
psychotropic drugs
psychotropic drug milk/plasma ratio usually:
<1
Short and long term affects of psychotropic drugs
short: none
long: unknown