| Drug | Side-effect | 
  
    | Anticholinergic drugs (Parkinson's disease) 
        benzhexolbenztropineprocyclidine | 
        Disorientationagitation confusionvisual hallucinations | 
  
    | L-dopa | 
        Acute organic syndromedepressionpsychotic symptoms | 
  
    | Antihypertensives 
        methyldopaCalcium channel blockersClonidine | 
        tirednessweaknessdepression | 
  
    | Sympathetic blockers | 
        impotencemild depression | 
  
    | Digitalis | 
        disorientationconfusionmood disturbance | 
  
    | Diuretics (electrolyte disturbance) | 
        weaknessapathydepression | 
  
    | Salicylamide | 
        confusionagitationamnesia | 
  
    | Phenacetin | 
        dementia with chronic abuse | 
  
    | Antituberculous therapy | 
        Acute organic syndromemania | 
  
    |  | 
        confusionschizophrenia-like syndrome |