The denaturant makes the alcohol taste bad. When a denaturant is added to alcohol it is called denatured alcohol or Alcohol Denat. Denatonium Benzoate is a common denaturant. It a quaternary ammonium compound that is considered the bitterest compound known. Quassin, Brucine and Brucine Sulfate are bitter alkaloid compounds obtained from plants.
Well, there can be some irregular pacing, breathing before the seizure. That can last from a few minutes to 30 minutes or more. The seizure itself should not be longer than a few minutes. Anything over 4-5 minutes is a huge risk for brain and body injury. After the actual seizure, a pet can remain disoriented, but they are at least responsive, for another few minutes to hours.
During a Seizure. The most important thing that you can do when your dog has a seizure is to stay calm. Most seizures are brief, although they may not seem like it while you are watching your precious pup have one. It's important to remember that most veterinarians believe that dogs, like people, are not in any pain during their seizures. If they are conscious, they may be confused or scared but they are not in pain.