When a significant amount of an anticholinergic is taken into the body, a toxic reaction known as acute anticholinergic syndrome.
Link to external websites for further research:
List of Medications with Significant anti-cholinergic properties
Anticholinergic Toxicity: Practice Essentials, Background …
Anticholinergic – Wikipedia, the free encyclopedia
Anticholinergic syndrome following an unintentional overdose
Central anticholinergic syndrome (CAS) in anesthesia and …
Anticholinergic poisoning – UpToDate
Anticholinergic Syndrome: Presentations, Etiological Agents …
So I am crazy: Acute Anticholinergic Syndrome?