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Abbreviations
Medicine Timing Abbreviations
| Term | Definition |
|---|---|
| BID | twice daily |
| TID | three times daily |
| Q | every x example: Q4hr would mean every 4 hours Q3 days would mean every 3 days |
| QD | daily *The abbreviations QD and QID are now prohibited from use in many healthcare settings. They are included in case you come across them, but to not encourage their use. |
| QID | four times daily *The abbreviations QD and QID are now prohibited from use in many healthcare settings. They are included in case you come across them, but to not encourage their use. |
| QHS | at night |
| AC | before meals |
| PC | after meals |
| prn | as needed |
| ad lib | as desired |