This is undoubtedly a trade name.  And a trade name not available in
Canada. It may have a different one here.  To help, a generic name is
necessary, and you may then actually find it in Hale.

Is this a drug which *must* be given IV or IM?  In that case it is
probably safe.  Is there no alternative?  Ciprofloxacin, say, which
*is* compatible with breastfeeding.  Could she not get something like
tobramycin?

The decision is the *mother's*.  There is *rarely* ever a reason that
an antibiotic which is safe for the mother is not safe for the baby.

Jack Newman, MD, FRCPC