s means sine - without usually written with a bar on top of the "s" in Prescription
Similar to s
od - oculus dexter - right eyeod - omne in die - every day/once daily preferred to qd in the UK[3]
om - omne mane - every morning
on - omne nocte - every night
o_2 - both eyes, sometimes written as o2
p.c. - post cibum - after meals
p.m. - post meridiem - evening or afternoon
View all in Prescription