My cat Akira recently got very sick. He had surgery and was put on steriods for a gastrointestinal disease. Since he has recovered - but all of the sudden my normally active cat has become a destructive devil-cat. We have now incured several problems. He can now reach any height in our house - including the ceiling. I have found him in my closet shelves, hanging from the curtian rods - literally he is climbing the walls. I make sure to keep the closet doors closed and I have provided him with two cat trees. Still I find him sleeping in the gap between the kitchen cabinets and the ceiling. When we left him overnight ONE night, he broke our microwave trying to get inside. Shaking cans of coins do not phase him. I have pictures of him in the shower taking a bath - spraying him with water does nothing. It also seems that he is no longer happy as an inside cat. For his safety I insist that he live inside and not be out unless he is supervised on a leash or in a cat condo. However, whenever open the patio door he makes a dash for it. The other day when my neighbor opened the inside door he ran upstairs and jumped off the inside balcony. He is altered and we provide him with plenty of cat toys - mice, crinkle balls, a slinky type mouse made especially for cats. He does not like the laser light and will not play with it. We have catnip video for him to watch when we are not home and he has Moonbeam (a DSH tabby) and Toaster ( a poodle mix) to play with when we are gone. He has been very rough with the both of them lately and I am concered that he will hurt one of them since he does have his claws. Last night Toaster became nearly agressive with him, which is highly unusual as he is generally a very submissive dog. I'm looking for creative solutions to wear out my cat. We have been working with each day and I feel that I am getting nowhere. Any ideas?