Eastern Daily Press

In this column I hope to achieve two things. Firstly to demystify the ‘blurb’ that we in the medical profession are prone to using on prescriptions and also when talking to our patients. Secondly I hope to let you know who some of the people associated with particular conditions were. If you have anyone in particular you would like to know about, then do let me know.

If you look at a prescription then there are often odd abbreviations at the end of the name of the drug what do these mean?

These abbreviations allow the person filling in the prescription to communicate with the person dispensing the drug (usually the pharmacist) what to put on the label before the drugs are given to the patient. Examples of these are o.d., b.d., t.d.s. and q.d.s.. These abbreviations derive from omni die (once daily), bis die (twice a day), ter die semendus (three times a day) and quarter die sumendus (four times a day).

These can be quite confusing sometimes as very similar abbreviations can mean very different things. For example q.h. (quaque hora) means ‘every hour’, whereas q.l. (quantum libet) means ‘as much as you like’, and q.q.h. (quaque quarta hora) means’ every four hours’. Luckily, however, most of these abbreviations aren’t used very often.

It was fairly common for errors to occur between the doctor writing the prescription (no jokes about doctors writing please) and the prescription being ‘decoded’ by the pharmacist. In addition, in the days when prescriptions used to be written by hand, there was a lot more room for error. With modern technology ensuring that most prescriptions are printed by a computer, these errors should occur less and less.