If your cat is reeking of vinegar, it might be time to try some alternatives. Different cats like different smells so there's no single approach that works for everyone. One suggestion is to try spraying a small amount of aromaiferous detergent likeFragrance-free Paw Solutionaround the outside of the door to the room where your cat spends most of its time. Most cats dislike the smell of this type of detergent, and they'll quickly get used to not smelling like vinegar. Another idea is to rub a little lavender oil or Thieves Wan Geranium onto your hand and let it waft around the cat's Fur-lined Room. Many cats dislike this scent, especially if it isn't coming from you.