u.d., ut. dict. means ut dictum - as directed in Prescription
Similar to u.d., ut. dict.
nebul - nebula - a spray noct. - nocte - at night non rep. - non repetatur - no repeats NS - normal saline 0.9% o.p.d. - once per day o.s. - oculus sinister - left eye o.u. - oculus uterque - both eyes