Description    Brimonidine (5-bromo-6(2-imidazolidinylideneamino) quinoxaline L-tartrate) is used to treat glaucoma in humans. Ingestion of this drug by dogs has been associated with clinical toxicosis.
Species   Canine
Signs   Anorexia, Ataxia, Bradycardia, Dullness, Dysmetria, Generalized weakness, Hypothermia, Pale, Prolonged capillary refill time, Vomiting or regurgitation, Weak pulse
References   Lee JA. Emergency Management and Treatment of the Poisoned Small Animal Patient. Vet Clin North Am Small Anim Pract 2013;43:757 [Web Reference]
Welch SL. Clinical effects of brimonidine ophthalmic drops ingestion in 52 dogs. Vet Human Toxicol 2002;44:34
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