Date Published: 3 March 2011
Confusing instructions on medicine bottles and tablets (UK)
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Have you ever been confused by instructions printed on or included with prescribed medication ? If so, you are not alone. Confusing instructions on medicine bottles and packets of pills dispensed from UK pharmacies will be replaced with clearer, simpler, words and phrases from March 2011.
This change is at least partly as a result of recent work by researchers at Leeds University (England), in collaboration with local company Luto Research. Their work revealed that many commonly-used phrases on medicine labels are easily confused, if not completely misunderstood.
Changing instructions in order to improve clarity of language is intended to help ensure that patients take their medicines as they should. This is a safety issue as well as a concern because if medicines are not used as intended by those prescribing them the drugs are likely to be less effective and, in some cases, may not even work at all. Patients also run the risk of getting unpleasant side effects, which may cause serious harm.
Approximately two million prescriptions are issued every day in the UK. By law, each bottle or packet that is dispensed by pharmacists must have a printed label that gives details on how to take the medicine. However, the Leeds research has shown that some of the standard phrases that are printed on these labels can be confusing, causing patients to behave in ways that compromises the safety and effectiveness of their treatment.
" It is vital that wordings on labels are simple and straightforward," said University of Leeds' Professor of Pharmacy Theo Raynor.
" Most medicines do contain leaflets providing detailed information for patients, but these leaflets can get lost or overlooked. Patients' behaviour tends to be guided by the instructions on the outside of medicine bottles and packets of pills, so these must be as clear and unambiguous as possible."
Professor Raynor and colleagues tested a selection of instructions on a large number of volunteers from the general public aged 20 to 80 years old. They re-worded any phrases that people found confusing using best practice in clear English. They then checked that their suggested revisions were easier to understand with more members of the public.
The proposed changes include terminology that is better understood by patients. For example, user testing showed the word 'drowsiness' is not always readily understood and has been improved by using the wording: 'This medicine may make you feel sleepy'.
"Another good example is the phrase 'avoid alcoholic drinks'. Our user tests have shown that the word 'avoid' can cause confusion and that some people think it only means they should limit their alcohol intake," Professor Raynor said. "This phrase will now be replaced by the instruction: 'do not drink alcohol while taking this medicine', which is far clearer."
The revised phrases have been included in the latest version of the British National Formulary, the drugs bible used by doctors, nurses, pharmacists and other health professionals.
"The software used by large pharmacy chains and independent pharmacist to print instruction labels is updated regularly, so we would expect to see these new phrases appear within the next six months," Professor Raynor said.
The work was carried out by a team led by Professor Theo Raynor and Dr Peter Knapp (both from University of Leeds, School of Healthcare) and David Bryant (General Manager, Luto Research).
Source: Leeds University, England (UK) - from Press Release.
