It's either scared, cold, or very sick.
A shaking and retreating dog could be frightened or in pain.
Sniffing.
It is called shaking or drying off!
He is probably just tired just let him rest and give him water. Or it could be the results of your dog having cardiac arrest ( the shaking )
Flogging
He is cold, possibly?!?!?
He might be sad or really cold.
Shaking the dog won't do any good. The American Red Cross offers pet first aid classes which will help you to deal with an emergency for a dog.
Because your dog urgently needs to see a vet.
diarea
Hyperventilation and shaking in dogs can be caused by various reasons, such as stress, anxiety, pain, or a medical condition. It is important to observe your dog's behavior and consult a veterinarian for a proper diagnosis and treatment.
your dog is like that because its thirsty or tired so let it rest ok ok.