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
B.M. - bowel movement B.S. - blood sugar B.S.A - body surface areas b.t. - bedtime bis - bis - twice bol. - bolus - as a large single dose usually intravenously BUCC - bucca - inside cheek