Y.O. means years old in Prescription
Similar to Y.O.
admov. - admove - applyagit - agita - stir/shake
alt. h. - alternis horis - every other hour
aq - aqua - water
b.d./b.i.d. - bis in die - twice daily
B.M. - bowel movement
B.S. - blood sugar
View all in Prescription