Lactose intolerance is caused by a lessened ability or a complete inability to digest lactose, a sugar found in dairy products. Humans vary in the amount of lactose they can tolerate before symptoms develop.
Unfortunately, lactose intolerance isnt the only potential risk. Feline specialists believe a protein called casein is the cause of dairy allergies in cats.Feline lactose intolerance and dairy allergies cause a series of unpleasant symptoms, such as

How Lactose Intolerance Works in Cats. When kittens nurse, they produce an enzyme called lactase that breaks down lactose (milk sugar) in their mothers milk. This is normal and healthyfor about 8 weeks.
It causes gastrointestinal issues like bloating, diarrhea, and pain. Adult cats dont require milk for nutrition, so their bodies gradually stop producing lactase, rendering milk an unsuitable food source once theyve been weaned. Symptoms Your Cat Might Be Lactose Intolerant.

As we can see from the illustration, Feline Lactose Intolerance Causes has many fascinating aspects to explore.
Causes. Lactose intolerance happens when the small intestine doesn't produce enough of an enzyme called lactase. Lactase is necessary to digest milk sugar, called lactose. Usually, lactase turns milk sugar into two simple sugars, glucose and galactose.
Understanding Lactose Intolerance in Cats. Lactose intolerance is a common condition where the body lacks the enzyme lactase, which is essential for breaking down lactose into simpler, digestible sugars.