67 Samtidig brug af medicin ved navn amantadin (til behandling af Parkinsons sygdom), ketamin (et middel, der anvendes til bedøvelse), dextromethorfan (anvendes generelt til behandling af hoste) og andre NMDA- antagonister bør undgås.
68 The use of medicinal products called amantadine (for the treatment of Parkinson´s disease), ketamine (a substance generally used as an anaesthetic), dextromethorphan (generally used to treat cough) and other NMDA-antagonists at the same time should be avoided.