Dextromethorphan: Tricyclic antidepressants (TCAs), antipsychotics, anxiolytics and hypnotics, cimetidine, ciprofloxacin, domperidone, metoclopramide, mexiletine, CYP2D6 inhibitors, ritonavir, alcohol.
Potentially Fatal: Memantine, moclobemide.
T...
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