Additional clinical signs include mydriasis (dilated pupils), hypothermia (low body temperature), shallow breathing, vomiting or salivation. (houzz.com)
Horner's syndrome, for example, is characterized by miosis in either one or both pupils, while early glaucoma initially presents with mydriasis in one eye. (wagwalking.com)
Additionally, in an overdose situation, the following signs have been reported: ataxia, convulsion (s), anticholinergic effects (e.g. mydriasis, bradycardia, tachycardia, and arrhythmia) and vocalization. (drugs.com)