A. There might be something in her food that she is allergic to. Try a good quality grain free dry food(e.g. Orijen, Accana, Evolve), transition to the new food gradually over a period of 10 days (every day put a little more from the new food and a little less from the old food). Keep her on the food for 2 months to decide if it helps or not.
If she continues vomiting often after the change of food, take her to the vet. She might need an xray (to check for a foreign body) or a blood test (internal disease.).
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