Administration of Drugs

Frequency

• amp. = ampule
• a.d. = right ear
• a.s. = left ear
• a.u. = both ears
• c. = with
• cap. = capsule
• disp. = dispense
• gtt(s). = drop(s)
• IM = intramuscular injection
• IN = intranasal
• IP = intraperitoneal (within abdominal cavity)
• IV = intravenous injection
• o.d. = right eye
• o.s. = left eye
• o.u. = both eyes
• PO = per os, meaning given by mouth or orally
• q.s. = a sufficient quantity
• SubQ, SQ or SC = subcutaneous injection
• susp. = suspension
• tab = tablet

• a.c. = before meals
• p.c. = after meals
• h. = hour
• h.s. = at bedtime
• q = every (as in q 8 hours)
• SID = every day (q day or q 24 hours)
• BID = twice a day (q 12 hours)
• TID = three times a day (q 8 hours)
• QID = four times a day (q 6 hours)
• QOD = every other day
• PRN = as needed
• Sig.: = directions to patient
• stat = immediately
• Ut dict. = as directed