Jill: the one report published is of a mother who took for 9 months post partum. does not specified. "The mother tapered herseld off the drug over a three week period. Apparently, alprazolam was excreted in the moil,m becasue the nursing infant exhibited withdrawal symptoms conisisting of irritability, crying and sleep disturbances,. The symptoms resolved without treatment after 2 weeks." p27 briggs/feeman& yaffe this information was reported by the manufactuer in 1989. I hope that one of our esteemed will give some more information... patricia