Excretion of meds in human milk Flashcards
% 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