| qds | to be taken four times a day [Lat. quater die sumendum] |
|---|---|
| qid | four times daily [Lat. quater in die] |
| qod | every other day [Lat. quaque altera die] |
| qqd | every day [Lat. quoque die] |
| SRD | service-related disability; Society for the Relief of Distress; Society for the Right to Die; sodium... |