Nervousness, impaired memory, numbness of fingers, listlessness, depression. Mental confusion, excitement and visual hallucinations with high doses. Hyperthermia, anidrosis, heat stroke. Weakness and inability to move particular muscle groups. Skin rash may occur occasionally.
Treatment is symptomatic and supportive.
Maintain fluid and electrolyte balance. Because of its potential adverse effects, physostigmine salicylate is not routinely recommended for the treatment of anticholinergic toxicity. Dosage Benztropine mesylate should be used orally in all cases when patients are able to take oral medication. In other cases, where more rapid response is desired, benztropine mesylate may be administered i.v. Since there is no significant difference in onset of effect after i.v. and i.m.