I didn't actually take Penz into the office--my adult son, Michael, did. Penz was very lethargic, not eating, barely moving when he was brought in. Your office took good care of him, rehydrated him and did lab work. Penz is doing better although he is far from being well. We realize that we need to change his food--a difficult thing to do given our other cat is on another special diet (UR) and they share the dry food. I plan to bring Penz into the office today for another rehydration and to purchase food for him. Practically speaking it is going to be very difficult to live with two cats who are supposed to share their food.