You should not use this medication if you are allergic to acetaminophen (Tylenol) or aspirin. Do not give this medication to a child or teenager with a fever, flu symptoms, or chicken pox. Salicylates can cause Reye's syndrome, a serious and sometimes fatal condition in children.
In most instances, this is due to infectious agents as is the case with gastroenteritis or food poisoning. It is usually accompanied by diarrhea in these instances. Pregnancy, excessive alcohol consumption, motion sickness and certain medication are other fairly common causes of acute vomiting.
Diseases of the stomach and upper intestinal tract are the primary cause for this type of vomiting. Secondary implications are diseases of other organs, which bring about an accumulation of toxic substances in the blood, stimulating the vomiting center in the cat's brain.