Horse is out of the barn, but always count your pills as soon as possible. I handle a lot of meds for my job and this happens all the time. If you come back quickly they usually fix it, unless it's a controlled med.
Had a client once who was missing two strips out of a box of suboxone. Turned out a pharmacy tech had a habit, took them and re-sealed the box. Unbelievable that the tech expected to get away with it.
