15 | | BD = bis die (twice daily) |
16 | | TDS = ter die sumendum (to be taken three times daily) |
17 | | QDS = quater die sumendum (to be taken four times daily) |
18 | | QQH = quarta quaque hora (every four hours) |
19 | | PRN = pro re nata (when required) |
| 15 | Count all the above as 1 |
| 16 | |
| 17 | 2: BD = bis die (twice daily) |
| 18 | 3: TDS = ter die sumendum (to be taken three times daily) |
| 19 | 4: QDS = quater die sumendum (to be taken four times daily) |
| 20 | 5: |
| 21 | 6: QQH = quarta quaque hora (every four hours) |
| 22 | |
| 23 | If PRN (as required) enter an estimate, such as 0.5 per day. |
| 24 | |