Clinical symptoms are those seen in atropine poisoning, particularly mydriasis and hallucinations.
[ncbi.nlm.nih.gov]
Poison hemlock has nicotinic effects, beginning with dry mouth and progressing to tachycardia, tremors, diaphoresis, mydriasis, seizures, and muscle paresis.
[merckmanuals.com]
Clinical features: tachycardia, dry flushed skin, dry mucous membranes, mydriasis, blurred vision, hyperpyrexia, urinary retention, confusion, disorientation, loss of short
[slideshare.net]