Illness or Medication and Breastfeeding

La Leche League - Can I breastfeed my baby if I am sick?
http://www.llli.org/FAQ/sick.html

Abstract
This brief FAQ provides a general answer to a question about whether it is safe for a mother to breastfeed her child when the mother is sick. Breastfeeding women and staff providing support can read this before contacting the mother's health care provider.