My interest in the subject of drug therapy has been again aroused by the following possibly dangerous incident. I asked my intern to prescribe tincture of nux vomica for a patient who was leaving the hospital and who was to have the prescription filled in his home town 150 miles from Chicago. The intern wrote the following prescription: "[unk]: Tr. Nux Vomica oz. 6 Sig. 1 teaspoonful in 1/2 glass of water 3 times a day." The standard dose is 0.5 to 2 cc. A teaspoon holds 4 to 7 cc.
Several years ago I had a similar experience. I asked one of my fellows in urology to prescribe quinine sulfate for a child and to make a palatable mixture. He told me frankly that he had no idea how to prescribe quinine sulfate so as to make it palatable. When I questioned him about the instruction he had received
KRETSCHMER HL. THE TEACHING OF DRUG THERAPY. JAMA. 1944;125(5):326-327. doi:10.1001/jama.1944.02850230006003