Medication errors represent a threat to patient safety 1 and comprise administration of a drug to the wrong patient, choice of the wrong route of administration, application of a drug at the wrong time, and administration of the wrong drug. 2 Administration of the wrong drug may originate from confusion of similarly looking and/or sounding drug names, for example, hydroxyzine and hydralazine. 3 In this article, we investigate three cases in which confusion of look-alike/sound-alike (LASA) drug names triggered medication errors with quite distinct outcomes. 2 | CASE 1 An 80-year-old woman (referred to as patient 1) was admitted to the gerontopsychiatric ward of our university hospital via the emergency room due to the acute exacerbation of a recurrent major depressive disorder with psychotic symptoms. Somatic comorbidities comprised atrial fibrillation, arterial hypertension (with recurrent hypertensive crises in the past), peripheral arterial occlusive disease, third-degree atrioventricular block (implantation of a cardiac pacemaker had occurred 7 months previously), and type 2 diabetes mellitus. The patient's medication consisted of clopidogrel, ramipril, amlodipine, metoprolol extended release (ER), urapidil ER, metformin, simvastatin, melperone, and insulin glargine, and was copied into the paper-based hospital medication chart by the ward physician in a clearly legible manner (Figure 1). Nevertheless, 75 mg of clozapine were dispensed instead of 75 mg of clopidogrel. Soon after the erroneous intake of clozapine instead of clopidogrel, patient 1 was found sitting unconsciously in a chair on the ward floor. The ward physician noted a score of