Get the fleas off her as directed above. Dawn dish liquid is completely safe for dog bathing. When bathing make sure you clean around her tail thoroughly. We use Baby shampoo for any area around eyes. Rinse, Rinse, Rinse. Make sure all soap is completely gone or she may develop a hot spot. Residual soap causes the itchies. Itchies get scratched. Scratching cause hot spots. Hot spots are nasty and take a long time to heal.
What kind of food are you feeding?
BTW, she's cute!