Dear Ilene

Fluorescein used in ophtalmic way pass into milk. But with this way of
administration,  stop breastfeeding while 8 to 12 hours is enough. Stop
while 3 days is when it is used IV.
Mattern J and Mayer PR. Excretion of fluorescein into breast milk. Am J
Ophtalmol 1990 ; 109 : 598-599.

Hope this help
Kindly
Françoise Railhet
LLL France Medical Associates Program