After the administration of a maximum single dose of 360 mg trospium chloride to healthy volunteers, dryness of the mouth, tachycardia and disorders of micturition were observed to an increased extent. No manifestations of severe overdosage or intoxication in humans have been reported to date. Increased anticholinergic symptoms are to be expected as signs of intoxication. In the case of intoxication, the following measures should be taken: gastric lavage and reduction of absorption (e.g. activated charcoal), local administration of pilocarpine to glaucoma patients, catheterisation in patients with urinary retention, treatment with a parasympathomimetic agent (e.g. neostigmine) in the case of severe symptoms, administration of beta blockers in the case of insufficient response, pronounced tachycardia and/or circulatory instability (e.g. initially 1 mg propranolol intravenously along with monitoring of ECG and blood pressure).