False-positive urine screen test for MDMA in a patient exposed to mebeverine

Affiliations

• ¹ Division of Clinical Pharmacology and Toxicology, Institute of Pharmacological Sciences of Southern Switzerland, Ente Ospedaliero Cantonale, Lugano, Switzerland.
• ² Emergency Department, Ospedale Regionale di Lugano, Ente Ospedaliero Cantonale, Lugano, Switzerland.
• ³ Service of Internal Medicine, Ospedale Regionale di Lugano, Ente Ospedaliero Cantonale, Lugano, Switzerland.
• ⁴ Department of Surgery, Ospedale Regionale di Lugano, Ente Ospedaliero Cantonale, Lugano, Switzerland.
• ⁵ Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, Zurich, Switzerland.
• ⁶ Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland.