| Abbreviation: | Latin Meaning: | English Meaning: |
| R/ | Recipe | take |
| m. | misce | mix |
| a.c. | anti cibum | before meals |
| p.c. | post cibum | after meals |
| b.i.d. | bis in diem | twice a day |
| bis i. d. | bis in diem | twice a day |
| t.i.d. | ter in diem | three times a day |
| ter i. d. | ter in diem | three times a day |
| q.i.d. | quarter in diem | four times a day |
| q.d. | quaque die | every day |
| q.h. | quaque hora | every hour |
| qq. hor. | quaque hora | every hour |
| q.q.h. | quaque quarta hora | every four hours |
| h.s. | hora somni | at bedtime |
| hor.som. | hora somni | at bedtime |
| omn. hor. | omni hora | every hour |
| o.d. | omni die | every day |
| in d. | in dies | daily |
| de d. in d. | de die in diem | daily |
| quotid. | quotidie | daily |
| alt. dieb | alternis diebus | on alternate days |
| dieb. alt. | diebus alternis | on alternate days |
| m. et n. | mane et nocte | morning and night |
| noct. maneq. | noct maneque | night and morning |
| sig. | signetur | let it be labeled |
| S | sine | without |
| c, c | cum | with |
| stat. | statim | immeditately |
| grad. | gradatim | gradually |
| c. | circa | about, approximately |
| ca. | circa | about, approximately |
| d. | da | give, administer |
| sum. | sume | take |
| dil. | dilue, dilutus | dilute, diluted |
| solv. | solve | dissolve |
| n.b. | nota bene | mark well |
| p.r.n. | pro re nata | as occasion rises |
| q.s. | quantum satis | as much as suffices |
| q. suff. | quantum sufficit | as much as suffices |
| q.l. | quantum libet | as much as desired |
| q.p. | quantumm placeat | as much as you please |
| ut dict. | ut dictum | as directed |
| s.o.s. | si opus sit | if necessary |
| si op. sit | si opus sit | if necessary |
| dur. dolor. | durante dolore | while the pain lasts |
| tal. | talis | such |
| st. | stet, stent | let it stand, let them stand |
| cont. rem. | continuantur remedia | let the remedies be continued |
| p.p.a. | phiala prius agitata | shake the bottle first |
| ad libit. | ad libitum | at will |
| aq. | aqua | water |
| d. in p. aeq. | dividiatur in partes aequales | divide into equal parts |