Vermox (mebendazole) is listed in both Hale and Briggs.  I would go with
their information as the basis of decision to breastfeed while taking this
medication.

Side-effects are listed for possible systemic adverse effects for the
ophthalmic preparation of Alomide (lodoxamide).  These are headache, heat
sensation, dizziness, somnolence, nausea, stomach discomfort, sneezing, dry
nose, rash.  Some of these effects could be monitored in the infant.  The
amount the infant would probably get through use of this opthalmic product
should be minimal and not enough to cause any adverse effects. In any case,
if this product has been prescribed for seasonal allergic conjunctivitis,
safer alternative preparations are available.