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.
There are several health reasons that can cause epilepsy and a vet can control the seizures if it is due to epilepsy. Lyme disease and Rocky Mountain spotted fever are two diseases that are caused by ticks. A Yorkie can have seizures in severe cases of Lyme disease. It is important to keep the dog free of ticks. Brain injury or tumor can also cause seizures. Tumors can cause pressure to the brain that can lead to seizures.