My kitty Peek-a-Boo was lost for a whole entire week, and now she is severly under weight. Before she was really light and looked like she wasn't getting enough food (it's available 24/7) What should I do for her, what I have done is comfort her, left food and water on all floors of the house, and watch her to make sure that no injuries/illnesses came to her. Is there anything else that I can do?

Thanks,
Steph and Jes