Differential Diagnosis of Anticholinergic Toxidrome

There are a number of frequently taken drugs that commonly cause the anticholinergic syndrome.

The most common (in Australia) are:

Antihistamines
Anticholinergic drugs including
- atropine
- benztropine
- benzhexol (trihexyphenidyl)
- procyclidine
- orphenadrine
Tricyclic antidepressants (TCAs)
Neuroleptics (in particular thioridazine and chlorpromazine)
Carbamazepine
Anticholinergic plants
- Datura (Brugmansia) stramonium (Angel's trumpet)
- Atropa belladonna (Deadly Nightshade)

Features that help to differentiate between these drugs are: