click below
click below
Normal Size Small Size show me how
Prescriptions
Timing Abbreviations
| Term | Definition |
|---|---|
| BID | Twice daily, two in a day |
| TID | Three daily, three in a day |
| Q | Every 'x' (Q4hr = every 4 hours, Q3 = every 3 days) |
| QHS | At night, at the hour of sleep |
| AC | Before meals, before food |
| PC | After meals, after food |
| ad lib | As desired |
| PRN | As needed |
| QID* (do not use) | Four daily, four in a day |
| QD* (do not use) | Daily, each day |