LINKS HOME ANIMAL MAGIC Alcohol Beverages and food products containing alcohol can cause vomiting, diarrhoea, decreased  coordination, central nervous system depression, difficulty in breathing, tremors, abnormal  blood acidity, coma and even death. Avocado The leaves, fruit, seeds and bark of avocados contain Persin, which can cause vomiting and  diarrhoea in dogs. Dairy products Due to pets not possessing significant amounts of lactase, which is the enzyme that breaks  down lactose in milk, milk-based products can cause diarrhoea or other digestive problems. Human foods unfit for pet consumption ANIMAL MAGIC Page 2