hi i had a strep throat a week before my period was due i was put on the zpack and had a steroid shot ,now my period is late could that have caused it?
Reply on 11: 6 PM
on Jun 06, 2009
by
865chica,
#3892
are you on a birth control pill? z-pak can reduce the effectiveness of the birth control. the prednisone could have caused it, but I would ask your pharmacist.