Hungry 1 year old cat with bare spots…what to do.?

This cats was adopted, spayed at 6 or 8 weeks, was the runt. She is hungry all the time, has bare spots on her hips and stomach, and is a bit twitchy. I have her on natural food, have used benadryl, anti anxiety prescribed medicine, rescue remedy, ointments both otc and homeopathic. Any ideas from others with this problem about where to go now?

Have you ever heard of a Veterinarian?

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