“…The popularity of 4‐FA might be due to the described effect as intermediate between MDMA and amphetamine 20,21 . In case reports and small case studies, serious complications, such as heart failure, cardiomyopathy, myocardial infarction, cerebral hemorrhage, seizures, hyperpyrexia, and fatalities, have been described, 6,14–16,22–25 which are comparable to previously described MDMA‐ and amphetamine‐related complications 5 . Due to these similarities, emergency department (ED) management of 4‐FA intoxications is mostly similar to MDMA and amphetamine, although specific management may be indicated based on specific clinical effects of 4‐FA 1 …”