HAS Medical Abbreviations

• RTC - Round the Clock
• q - every
• OD - Once a Day (every 8am)
• BID - Twice a Day (every 8am - 6pm)
• TID - Thrice a Day (every 8am - 1pm - 6pm)
• QID - Four times a day (every 8am - 12nn - 4pm - 8pm)
• prn - if/when necessary
• stat -now, immediately, at once
• ODBB - Once a Day Before Breakfast
• h/H - hourly
• h.s - Hours of Sleep/ at bedtime
• od - occulus dexter (right eye)
• os - occulus sinister (left eye)
• ou - occulus uterque (both eyes)
• opm - opthalmic
• ac - ante cebum/ before meals
• pc - post cebum/ after meals
• ad.lib - as desired
• NPO - Nothing Per Orem / Nothing by Mouth
• P - Prescribed
• NA - Not Available/ Not Applicable
• OOP - Out On Pass
• p̄ - post
• AMA - Against Medical Advice
• H - Hold
• HAMA - Home Against Medical Advice
• DC - Discontinue
• TC - To Continue
• IR - Incident Report
• MGH - May Go Home
• syr - syrup (sugar-based)
• ung -ointment
• elix - elixir (alcohol-based)
• pess - pessary
• supp - suppository
• susp - suspension
• tab - tablet
• cap -capsule
• neb - nebule
• inhal - inhalation