 [ Symptoms ] i am pregnant how long should i wait after i stop taking valtrex to nurse [ Disease ] the dosage of acyclovir in milk after valacyclovir is less than 1 of a typical infant dosage and would not be expected to cause any adverse effects in breastfed infants no special precautions are required when using valacyclovir during breastfeeding in one study administration of valacyclovir to mothers with concurrent herpes simplex type 2 and hiv infections reduced breastmilk shedding of the hiv virus in breastmilk at 6 and 14 weeks postpartum but not later so no need to worry about it…