SDW news brief: Prescription instructions confuse even educated patients

Staff Development Weekly: Insight on Evidence-Based Practice in Education, March 4, 2011

Even for highly educated patients, following instructions to take multiple medications a day is a daunting task that can lead to missed or incorrectly administered doses, according to an experiment published Monday in the Archives of Internal Medicine.

The 464 volunteers were asked to organize taking seven hypothetical prescription medications—21 fake pills in all—by placing them in a box with 24 compartments representing hours of the day.

While all the pills could be consolidated into just four time slots, 8 a.m., noon, 6 p.m. and bedtime, most of patients largely couldn't see that because of the confusing way the prescription labels were worded. Instead of four slots, many of the patients organized the 21 fake pills in as many as 14 time slots, from 5 a.m. to 11 p.m.

Only 15% of the participants got it right.

For example, even though instructions for taking two of the drugs were identical—"take one tablet by mouth three times daily"—nearly one third of the volunteers put those drugs in separate time slots.

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Source: HealthLeaders Media

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