What to do after ingestion
Diarrhoea, loose stools, gas, vomiting, reduced appetite.
Stop feeding and monitor; seek veterinary care if diarrhoea persists or the cat becomes lethargic.
Most cats are lactose intolerant and milk causes diarrhoea; using milk as a regular extra can also crowd out the main diet and cause nutritional imbalance.
What to do after ingestion
Diarrhoea or loose stools, gas, abdominal discomfort, reduced appetite; some dogs vomit.
Stop the milk and monitor; seek care if diarrhoea lasts more than 24 hours, contains blood, or the dog becomes lethargic.
Adult dogs generally have low lactase activity, so lactose ferments in the gut and causes bloating, loose stools and diarrhoea; whole milk is about 3.3% fat, adding extra calories.
Nutrition
Per 100 g, edible portionData source:USDA FoodData Central · SR Legacy · Accessed on:2026-09-28
Cat · Safe feeding conditions
CautionNo additional condition notes for this food
Clinical and veterinary sources
Most cats are lactose intolerant and milk causes diarrhoea; using milk as a regular extra can also crowd out the main diet and cause nutritional imbalance.
Diarrhoea, loose stools, gas, vomiting, reduced appetite.
Stop feeding and monitor; seek veterinary care if diarrhoea persists or the cat becomes lethargic.
Kittens need mother's milk or a dedicated kitten milk replacer, never cow's milk; adult cats need clean water and a complete cat food.
Dog · Safe feeding conditions
CautionNo additional condition notes for this food
Clinical and veterinary sources
Adult dogs generally have low lactase activity, so lactose ferments in the gut and causes bloating, loose stools and diarrhoea; whole milk is about 3.3% fat, adding extra calories.
Diarrhoea or loose stools, gas, abdominal discomfort, reduced appetite; some dogs vomit.
Stop the milk and monitor; seek care if diarrhoea lasts more than 24 hours, contains blood, or the dog becomes lethargic.
Lactose tolerance drops after weaning; milk cannot replace water (diarrhoea worsens dehydration) or a complete diet. Small amounts of plain yoghurt or grated cheese are usually tolerated better if you want to give dairy.
This website is for reference only and does not replace a licensed veterinarian. If your pet has eaten a suspected toxin or shows symptoms, contact a veterinarian or an emergency animal hospital immediately.
