Jo Ann,
Medication and Mother's Milk by Thomas Hale says the following, "No specific
information is currently available. Some is probably secretedin milk. The
long half-life of this medication could produce elevated levels in neonates.
Use extreme caution with this medication during lactation. Observe for
diarrhea, nausea, tremor, and increased sweating."
Kim Balzer, LLLL
Sebastopol, CA