Did you just get her? Is she stressed with the new adjustment? She is still pretty young to be leaving her mom. Is she eating and drinking?
Not sure what " calmed down" means but she may need to see a vet, as the others have said.
Good luck and Welcome to YT
__________________ .  Cali  , and Cali's keeper and staff, Jay No, not a "mini" Yorkie - She loves to motor in her Mini Cooper car |