When it comes to determining how “bad” it is for your dog to lick your face ... “Don’t let your pet lick any topical medications you apply to your skin or hair,” said LeCuyer.

“We don’t let cows sleep in our beds or lick our ... the infected dogs could spread the bacteria to humans over extended periods without appearing sick. Not all bacteria are bad though.

Many pet owners are in the habit of showering their dogs with kisses and even letting the dogs lick their faces. While it may seem affectionate, this is particularly harmful to your health.