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Severity scale:

We may all love the beautiful flowers azaleas and rhododendrons produce, but these pretty little plants can cause havoc for our furry friends. Not only are there thousands of species of these plants, but every part including the nectar is poisonous to dogs and cats. The toxicity of these plants  affects the stomach, intestines, heart, and brain. The main toxin is the grayanotoxin which causes problems with the muscle of the heart. Signs often noted include vomiting, diarrhea (both watery and/or bloody), drooling, abnormal heart rate and rhythm, weakness, tremors, depression, blindness,  difficulty breathing, howling, seizures, and coma. Signs can be seen within 1-12 hours, therefore contacting your veterinarian as soon as possible is highly recommended.

Toxic to: 
Dogs and Cats
Drooling, vomiting, diarrhea, anorexia, abnormal heart rate and rhythm, weakness, tremors, depression, blindness, seizures, and coma.
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