s means sine - without usually written with a bar on top of the "s" in Prescription
Similar to s
dieb. alt. - diebus alternis - every other daydil. - dilute
disp. - dispersible or dispense
div. - divide
e.m.p. - ex modo prescripto - as directed
elix. - elixir
emuls. - emulsum - emulsion
View all in Prescription