Lexapro and breast milk. . . . Also drink loads of water, and try pumping in between breast . Read the Medication Guide and, if available, the Patient . . . . My baby is 8 weeks old and I've been told by physicians that if it is excreted in breast milk, the side effects are minimal to babies. . It won't hurt your baby as it doesn't come out in breast milk. . . I was on Lexapro when I got pregnant and weaned my self . Best Answer: II take Fenugreek in capsule form and also Milk Thistle in capsu... more