Prescription Terms Defined
| a.c. | before meals |
| p.c. | after meals |
| h.s. | at bedtime |
| p.r.n. | as needed |
| q.4.h. | every four hours |
| q.i.d. | four times a day |
| t.i.d. | three times a day |
| b.i.d. | twice a day |
| q.d. | daily |
| q.o.d. | every other day |
| caps | capsule |
| gtts | drops |
| p.o. | by mouth |
