How Long Does It Take For Hydrogen Peroxide To Cause A Dog To Vomit?

How Long Does It Take For Hydrogen Peroxide To Cause A Dog To Vomit? According to the canine health professionals with the AKC, 3% hydrogen peroxide will help a dog vomit within about 10 to 15 minutes. Here’s the catch: The vomiting that results from this can last for over 45 minutes, so you’ll want