Neither of these medications is contraindicated during breastfeeding.  The
ceftizoxime is poorly absorbed from the gi tract, and unlikely to cause the
baby any problems.  The amount of clindamycin the baby will get is very
small as well.  It is not that there is *no* risk, but the risk of
breastfeeding with some small amount of drug in the milk is less than not
breastfeeding.

The point of course here is that there are any number of other medications
which will do the trick which should be considered if there is a true
concern.  But there isn't.

Jack Newman, MD, FRCPC