Are Creosote Plants Poisonous For Dogs?

Are Creosote Plants Poisonous For Dogs? Being serious, the chemicals in creosote bush can actually trigger allergic reactions in some people. Farmers and ranchers often cuss creosote bush because it exudes growth inhibiting (allelopathic) compounds to the soil. It can also be poisonous to livestock that are naïve enough to eat large quantities of it.