Yes she can, no you don't. I have had at least 6 moms breast feed on synthroid and it does come thru the breast milk, but I have not found any problems with same in my practice or in the literature. Gary Emmett, Jefferson On Wed, 20 Aug 1997, CF Teplis wrote: > I have a mother in my practice who recently delivered her second child and > would like to breast feed. She has hypothyroidism and is on synthroid > replacement. Can she breast feed safely? Is there anything special to > watch for in the infant? > Thanks. > CF Teplis > > >