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Are You Using Your Allergy Medicine Properly?

Photo: InhalerFor people with severe allergies like asthma, medical devices like inhalers and epinephrine autoinjectors, such as EpiPen, are often lifesaers. But a recent study by the UT Galveston Texas Medical Branch shows that most patients often do not use these devices correctly which leads to those medications or devices being less effective.

“We conducted an investigation to identify factors associated with incorrect use of inhalers and epinephrine autoinjectors at UTMB so that health care providers are aware of the problem and can plan better ways to increase proper usage,” says Dr. Rana Bonds, lead author and assistant professor in the school’s department of internal medicine, division of allergy and immunology. This new research is published online and appears in the January print edition of theAnnals of Allergy, Asthma & Immunology.

The study looked at more than 145 patients using epinephrine autoinjectors or inhalers and found that only 16 percent of patients used the epinephrine autoinjector properly. More than half missed three or more steps. The most common error was not holding the unit in place for at least 10 seconds after triggering release of the epinephrine. Other common errors included failure to place the needle end of the device on the thigh and not depressing the device forcefully enough to activate the injection.

Proper device usage was not linked to a patient’s education level or whether someone in a family had used a similar device.

Because misuse can cause horrible consequences, we wanted to make sure you knew what the most common problems are so you can stop them in their tracks.

With inhalers, only 7 percent of users demonstrated perfect technique and 63 percent missed three or more steps. The most common misstep was not exhaling as much as possible before using the inhaler. Another common error was failing to shake the inhaler before taking the second medication puff. None of the factors examined in this study, including clinic site, age and education level, impacted the rates of correct inhaler use.

“We found that incorrect use of these medical devices is still a problem,” said Bonds. “Despite the redesign of the autoinjector for easier use, most patients continued to make at least one mistake with the device. Most patients made multiple mistakes and would not have benefitted from self-administration of the potentially life-saving treatment if the need arose.”

The same was true with inhalers used for asthma. Fortunately, most patients were able to complete more than half of the steps properly and the common errors displayed by inhaler users would typically result in diminished drug delivery rather than no delivery at all.

The study demonstrates the clear need to improve training for patients so they receive the full benefits of these medications. Recommendations include repeated verbal and visual education using demonstration. New ways to provide this training will help patients and potentially save lives.

You also have 7-day a week access to the staff at Hillcrest Medical to get an expert medical opinion on how you’re using your medications and if they’re having the desired effect.

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