I am a home hospice nurse, and when I get new patients after they have been discharged from the hospital, the list of drugs included in their paperwork is always wrong. Some mistakes are minor: The list includes a relatively harmless drug the patient no longer needs or it leaves off a minor dose adjustment. But other mistakes are more serious — the list may include an important prescription the patient never knew to fill or may have the patient on two medications that can be dangerous when taken together.
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https://www.nytimes.com/2018/03/14/opinion/drugs-prescriptions-errors-tracking.html?