If you haven't already, please see your vet to address the underlying cause of not eating. Your dog may require treatment for an underlying medical cause. If your dog has nausea, your vet may also prescribe antinausea meds. Generally, there are various foods that may help, but things can get risky as she may develop an upset tummy. Meat-based baby food with no onion or garlic may be an option. Boiled chicken with no fat or bones. Boiled skinless and boneless fish. Ground cooked turkey. Some dogs love canned tripe. Sometimes adding a bit of grated cheese to kibble will entice dogs to eat. Nutrical can help provide extra calories temporarily if she is not eating enough.