What's wrong with my dog?

My dog has been acting strange for three weeks won't leave my side really sookie. resting her head on my lap in the car as I drive which she never does. Then today out of no where attacked my friends child biting her on the face and was insisting to bite everyone else at my friends place.

The article at the WebMd link below has a lot of good information on aggression in dogs.

http://pets.webmd.com/dogs/guide/aggression-dogs

It's protection problems. Your dog feels the need to protect you even when unnecessary. A bit of distance between you two will do the dog some good. To clarify, don't drop off the dog in doggy day-care for a week, just try to encourage them to be more independent.

dog training: http://www.dogtrainingcoursesonline.com/

My dog has been acting strangely for four days won't leave my side really shocked. Dogs are sometimes referred to as man's best friend because they are kept as domestic pets and are usually loyal and like being around humans. I have also 3 pets and love them very much. I'm always caring of them and there is an online Pet product store named Zen Dog Zone, It is a very good site and the products are very good, So I am usually using their product.

The proper medication is definitely needed for her.

Dogs can have varying temperaments. Some are cool, some are mischievous, but sometimes, there are stubborn dogs that can be problematic. And there are instances where their stubbornness and problematic behaviors may not only be bad for us as owners but also for the dogs themselves. You can find here easily : https://honestdoglover.com/best-training-collar-for-stubborn-dogs/

The article at the provide you a more about pet health benefits
https://thefitpets.com/dog-behavior-problems/