A. There might be something in this 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 o the food for 2 months to decide if it helps or not.
In addition buy some hairball paste and give it to her every day for the first week, then once a week for maintenance.
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