Get Your Dog Care Questions Answered by Experts
Hello and thank you for using this site to help you. Toads/ frogs give off a terrible taste that a dog is not going to like and will cause drooling, that being said there are two toads that are poisonous to dogs. The Colorado River toad and the Giant toad. Symptoms would be Depression, fever, vomiting , Extreme weakness, breathing problems, seizures, diarrhea and heart arrhythmia.
If your dog is acting fine and eating and drinking, he probably just got a lasting bad taste in his mouth.
Here is more on toad toxicity.