From the central nervous system (CNS): dizziness, drowsiness, weakness, fatigue, anxiety, confusion, euphoria, memory impairment and in some cases hallucinations, delirious disorders; nervousness, headache, insomnia, dyskinesia, ataxia, muscle cramps and speech impairment. With increased excitation of the nervous system, especially in patients with impaired cerebral function, it is necessary to reduce the dose of the drug.
Other side effects: dry mouth, salivary gland enlargement, paresis of accommodation, mydriasis accompanied by photophobia, decreased sweating, constipation, epigastric discomfort, nausea, tachycardia and bradycardia, lowering of arterial pressure, difficulty urinating, especially in patients with prostate adenoma (in this case it is recommended to reduce dose) and, more rarely, urinary retention (antidote - carbachole), zakratougolnaya glaucoma (should regularly monitor intraocular pressure), allergic reactions, drug dependence.