The effects of a Bufo toad are seen instantly. A dog that has licked or bitten a Bufo toad will start foaming at the mouth and will often rub at his face. Rinse your dog’s mouth out IMMEDIATELY to try and get as much of the toxin out as possible. Then, get them to the vet as QUICKLY as possible. This is a matter of life and death for your dog. Fatality rates of dogs without care is nearly 100%.
Scan your yard for toads before you let your dogs out. Toads are attracted to light, water, and dog food. To stay on the safe side, keep your dog away from any and all toads you see.