Benadryl is a human medication that can be used in dogs to relieve allergy symptoms. But you have to be sure you're giving the right dose for your dog's size. (Photo Credit: E+/Getty Images ...

When deciding whether or not to give Benedryl to a rat, it is essential to weigh the pros and cons. Benedryl can be an effective medication ... to your basic rat care needs, so that you might decide ...