What breed do you plan on getting.. Small breeds 2-4 larger breeds 4-6 average
Call the vet immediately
Scared out of mind!! Your dog may drool for varies of reason 1. Some breeds do drool 2. You may have some good food he or she might want. Your dog might be cold and thats why he or she shakes... I hope I helped you out a little!! :)
You should go to the vet..