[19:19, 17/05/2022] Liam Theuns Smit: Good day. A water-based perphenazine (perphenazine hydrochloride) question. What would be the clinical signs of a phenothiazine overdose in plains game? Does anyone have any experience? [19:33, 17/05/2022] Roy Bengis: Extrapyramidal signs. Chewing movements, salivation, torticollis and ataxia.