Severe Alzheimer's dementia, other types of dementia & memory impairment. Heart block, long sinus pauses, increased risk of ulcers, bladder outflow obstruction, exacerbation or induction of extrapyramidal symptoms, history of asthma, or obstructive pulmonary disease. Galactose intolerance, Lapp lactase deficiency, glucose-galactose malabsorption. Severe hepatic impairment. Pregnancy & lactation.