s.o.s., si op. sit means si opus sit - if there is a need in Prescription
Similar to s.o.s., si op. sit
ad - ad - up toad lib. - ad libitum - use as much as one desires; freely
admov. - admove - apply
agit - agita - stir/shake
alt. h. - alternis horis - every other hour
aq - aqua - water
b.d./b.i.d. - bis in die - twice daily
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