- current hospitalization - allergy to amantadine hydrochloride, rimantadine or inactive ingredients. - known history of: - untreated narrow-angle glaucoma - kidney disease with egfr < 35 ml/min - heart failure, proarrhythmic conditions, ventricular arrhythmias. - seizures - parkinson's disease - gastric ulcer - liver disease - hereditary galactose intolerance, lactose intolerance or glucose/galactose malabsorption - current use of: - neuroleptics/antipsychotics/ levodopa - anticholinergics - thiazides - concurrent malignancy requiring chemotherapy - pregnancy and breastfeeding

- current hospitalization - allergy to amantadine hydrochloride, rimantadine or inactive ingredients. - known history of: - untreated narrow-angle glaucoma - kidney disease with egfr < 35 ml/min - heart failure, proarrhythmic conditions, ventricular arrhythmias. - seizures - parkinson's disease - gastric ulcer - liver disease - hereditary galactose intolerance, lactose intolerance or glucose/galactose malabsorption - current use of: - neuroleptics/antipsychotics/ levodopa - anticholinergics - thiazides - concurrent malignancy requiring chemotherapy - pregnancy and breastfeeding