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Milk and dairy products
Milk and dairy products
Milk and dairy products are not toxic to cats but are inappropriate for most adult cats. After weaning, the majority of cats lose the ability to digest lactose — the sugar in milk — because they stop producing the enzyme lactase. Consuming milk or dairy causes lactose fermentation in the gut, leading to GI upset.
Important Notes
Not toxic: dairy does not contain compounds that harm cats biochemically
Lactose intolerance: most adult cats lack sufficient lactase to digest lactose, leading to vomiting and diarrhea
Fat content: cream, cheese, and full-fat products are high in fat and calories — can trigger pancreatitis or obesity with regular feeding
A small occasional lap of plain milk is unlikely to cause serious harm in a lactose-tolerant cat
Lactose-free cat milk is a safer alternative if you want to offer dairy; avoid cheese and cream as regular treats
Potentially Toxic Parts
Seed
Entire food
Pit
Skin
Possible Symptoms Reported in Cats
Pancreatitis
Gastrointestinal · Progressive (can develop after consuming high-fat meals)
Diarrhea
Gastrointestinal · Within hours (typically 8 to 12 hours after ingestion)
Flatulence, Bloating, and Abdominal Pain
Gastrointestinal · Within hours
Vomiting, Nausea, and Decreased Appetite
Gastrointestinal · Within hours
Disclaimer: This summary was compiled from multiple sources and is for informational use only. It is not a diagnosis or treatment plan. Toxicity can vary based on the substance, amount, plant part, and individual cat. If you think your cat may have been exposed to a toxic substance, contact a veterinarian right away.