Keeping Cats Hydrated: Why Water Matters More Than You Think
When people think of cats drinking, the image of a saucer of milk often comes to mind. In reality, milk isn’t good for most cats. What they truly need is water—and plenty of it. Water is essential for feline health, making up 60-70% of a cat’s body weight. Yet, despite its importance, many cats don’t drink enough water. This can lead to dehydration and serious health problems, so it’s important for pet owners to understand why hydration matters and how to encourage healthy drinking habits.
Water plays a critical role in every major body system. It aids in nutrient absorption, circulation, digestion, and kidney function. Proper hydration also helps prevent urinary tract issues and kidney stones by flushing out toxins from the body. Without enough water, a cat’s organs cannot function efficiently, which can increase the risk of illness and long-term complications.
Cats often become dehydrated because of their natural biology. Domestic cats evolved from desert-dwelling ancestors, which means they have a low natural thirst drive and rely heavily on food for hydration. This makes cats that eat primarily dry kibble more prone to dehydration than those who consume wet food, which has a higher moisture content. Other risk factors include chronic kidney disease, diabetes, and any condition that causes vomiting or diarrhea. Cats can also be particular about how they drink water. Many prefer fresh, moving water over stagnant bowls, and their unique drinking technique—lapping up only a tiny amount per sip—doesn’t help them stay fully hydrated.
Dehydration in cats can develop quickly and become dangerous. Common warning signs include dry gums, lethargy, decreased appetite, and an increased heart rate. Another test you can try at home is gently pinching the skin over your cat’s shoulders. If the skin does not return to normal quickly, it may indicate dehydration. Any of these signs warrants an immediate call to your veterinarian, as severe dehydration may require fluid therapy and treatment for underlying issues.
So how much water does your cat need? The answer depends on age, size, and diet. Cats eating dry food need significantly more water than cats on a wet-food diet, which contains about 80% moisture. Keep in mind that drinking more than usual can signal underlying health problems such as diabetes or hyperthyroidism, so monitoring changes in your cat’s water habits is essential.
Encouraging your cat to drink more water often requires a little creativity. Start by offering a wide, shallow bowl that does not touch their sensitive whiskers. Place the bowl in an open area where your cat feels safe and not boxed in. Refresh the water at least once or twice daily, as cats are less likely to drink if the water tastes stale. Many cats love moving water, so consider investing in a cat water fountain. Adding wet food or cat-safe broth to meals can also boost hydration.
If your cat still isn’t drinking enough, talk to your veterinarian. They may recommend hydration supplements or additional strategies. Remember, keeping your cat hydrated is key to supporting kidney function, digestion, and overall health. For advice or an exam, call us at Pacific Paws Animal Hospital. We’re here to help your pets live healthier, happier lives.
Pacific Paws Animal Hospital is located at 710 N Brea Blvd, Ste E, in Brea. For more information, visit pacificpaws.com or call 714.930.7297.
