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Times Taken
Times and Site of Administration
| Symbol | Times |
|---|---|
| Q | Every |
| QD | Every Day |
| BID | Two Times a Day |
| TID | Three Times a Day |
| QID | Four Times a Day |
| QOD | Every Other Day |
| Q2H | Every 2 Hours |
| Q3H | Every 3 Hours |
| Q4H | Every 4 Hours |
| Q6H | Every 6 Hours |
| Q8H | Every 8 Hours |
| Q12H | Every 12 Hours |
| Q_Hrs, Q_* | Every __Hours |
| HS | At Bedtime |
| QHS | At bedtime ( or every night at bedtime) |
| a | Before |
| p | After |
| AC | Before Meals |
| PC | After Meals |
| AFT | Afternoon |
| AM | Morning |
| PM | Evening |
| NOCT | Evening |
| ATC | Around The Clock |
| H, Hr, Hrs | Hour(s) |
| Min | Minute |
| D, Dai | Day, Daily |
| W, Wk | Week, Weekly |
| AA | Affeted Area |
| AD | Right Ear |
| AS | Left Ear |
| AU | Both Ears |
| OD | Right Eye |
| OS | Left Eye |
| OU | Both Eyes |
| PO | By Mouth (orally) |
| PR | Rectally |
| PV | Vaginally |
| SL | Sublingually |
| SC, SQ, Sub-Q | Subcutaneously |
| Top | Topically |
| ID | Intradermal |
| IM | Intramuscular |
| IR | Intrathecal |
| IV | Intarvenous |
| IVPB | Intravenous Piggy Back |