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any incorrect or wrongful administration of a medication, such as a mistake in dosage or route of administration, failure to prescribe or administer the correct drug or formulation for a particular disease or condition, use of outdated drugs, failure to observe the correct time for administration of the drug, or lack of awareness of adverse effects of certain drug combinations. Causes of medication error may include difficulty in reading handwritten orders, confusion about different drugs with similar names, and lack of information about a patient's drug allergies or sensitivities. When the nurse is in doubt, administration of a drug should be delayed until specifically authorized by a physician.
medication errorAny preventable event that may cause or lead to inappropriate medication use or patient harm while the medication is in the control of the healthcare professional, patient or consumer. The patient must actually receive the drug for it to be classified as a medication error.
Prescribing, omission, unauthorised drug, improper dose, deteriorated drug, compliance error.
medication errorMalpractice An error in the type of medication administered or dosage. See Adverse effect, Error.
med·i·ca·tion er·ror(med'i-kā'shŭn er'ŏr)
Incorrect administration of a medication. May be due to incorrect dosage, drug, patient, time or route of administration, or interaction between incompatible medications.