Will an anti-itch shampoo work for my dog? Most OTC anti-itch shampoos don't contain the most effective ingredients for combatting itchiness, such as hydrocortisone and pramoxine, Griffin says.

It's best to avoid any over-the-counter anti-itch medications, such as hydrocortisone ... t have an oatmeal shampoo on hand, you can try a homemade oatmeal shampoo for dogs.