“…Valproate confers neuroprotection as a bonanza. 5 It has been shown in COVID delirium-catatonia composite presentation is at times difficult to brush out, and given the differential response to antipsychotics-benzodiazepines, some authors have suggested deploying amantadine. Amantadine has dopaminomimetic, weak anticholinergic and antiglutamate actions that can be helpful in these complex clinical scenarios.…”