Grain-based foods may be blamed for illnesses in some pets and could be avoided with diet changes, according to an article on celiac.com .

The grains in many petfoods can cause gluten-intolerant pets to become sick, claims blogger Destiny Stone. Switching a pet to a gluten-free diet must not only encompass petfoods but also other products the pet come in contact with because pets often lick themselves, she adds. A number of pet products are available gluten-free, including food, treats, care products and medications.