PRESCRIPTION WRITING.

Words, phrases and abbreviations commonly used in prescription writing.

• ?—means take thou.
• M.—Misce, mix.
• Fiat—make.
• Ad.—add, to make.
• Et.—means and.
• Sig.—Signa, label, or write thus.
• Numerus—number.
• O.—Octarius, a pint.
• Ter.—thrice.
• C. or Cong.—Congius, gallon.
• Dies.—diem, day.
• Q. S.—Quantum sufficiat. Sufficient quantity.
• Bene—well.
• q. s. ad.—quantity sufficient to make certain amount.
• Q. h.—quaqua-hora, every hour.
• aa.—ana. Of each.
• S.—Semis, means half.
• S. S.—Semi or Semissis means one-half.
• Cum.—with.
• Stat.—statim, immediately.
• B. I. D.—Bis in die. Twice daily.
• T. I. D., or T. D.—three times daily, Ter in die.
• Q. D.—quarter in die; four times daily.
• P. Æ.—Partes Æquales, equal parts.
• Div.—divide.
• Gtt.—GuttÆ, drops.
• Grs.—Grains.
• ?—Drachma, dram.
• ?—Uncia, ounce.
• M.—Minims about a drop.
• ?—Scruple.
• M. ft.—mistura fiat; let a mixture be made.
• Pil.—Pilula; pill.
• Destil.—Destilla; distill.
• Liq.—liquor a solution.
• Pulv.—Pulvis; powder.
• Fl.—fluidus, fluid.
• Bol.—Bolus, large pill.
• Cola—strain.
• Filtra—filter.
• Capsula—cap. A capsule.
• Charta—chart. A paper (medicated).
• Dosis—Dos. A dose.
• Massa—Mass. A pill—mass.
• Unguentum—Ungt. An ointment.
• Syrups—Syr. A syrup.
• Vinum.—Vin. A wine.
• Aqua fontana—Aq. font.—Spring water.
• Aqua destillata—Aq. dest.—Distilled water.