Just like all animals, hydration plays a critical role in your cat’s overall health. From keeping organs functioning to maintaining proper energy levels, adequate water intake should not be overlooked.
Because their ancestors originated from the desert, modern domesticated cats still exhibit a lower thirst drive. Veterinarians note that this results in a tendency to consume less water throughout the day than their bodies actually require. With that considered, ensuring your pet is well-hydrated on a daily basis is one of the best things you can do to support their well-being.
One of the key ways proper hydration affects the health of cats is through its role in the digestive system. Water is essential in breaking down food, moving it through the intestines, and maintaining soft and regular bowel movements. It’s important to have a good understanding of your cat’s hydration needs so that you can make the most informed decisions to support both their digestive and systemic health!
How Water Intake Affects Your Cat’s Digestive System
Proper hydration is a crucial part of normal stool formation. While food moves along the digestive tract, water and nutrients are absorbed by the intestines. If proper water intake needs are met, then the stool is typically soft and easy to pass. As a result, your cat will have regular bowel movements and avoid any discomfort, straining, or irritation.
Conversely, if your cat is dehydrated, its body will work to conserve fluids by taking extra moisture from the colon. DVM Katie Grzyb reports that this causes stool to become smaller, drier, harder, less frequent, and pass through the digestive tract with greater difficulty.
Aside from stool formation, good hydration also supports efficient nutrient absorption. Specialists explain that if water intake requirements are not met, then the digestive system has problems breaking down food and absorbing vitamins, minerals, and energy sources, which are all essential to your cat’s health.If prolonged, even mild dehydration can cause these problems, leading to weight loss and lower vitality.
Signs Your Cat May Be Dehydrated
Knowing the symptoms of dehydration is critical in preventing the progression of any ongoing issues. Signs of dehydration can be broken down into physical signs, changes in stool, and behavioural cues. The information in this section is based on insights from the Cornell University College of Veterinary Medicine.
When dehydration is mild, it is not always obvious. In some cats, the skin will lose its elasticity. You can check this by gently lifting their skin to see if it “tents”. Another good indicator resides in your cat’s mouth. Dry/sticky gums and thick saliva are common in cats that are dehydrated. You may also notice your cat’s energy levels are lower, as dehydration causes lethargy.
Another easy step you can take is checking your pet’s litter box, as early signs may first show up there. If you notice your cat’s stools are harder, smaller, or drier than usual, or if you observe straining or discomfort during bowel movements, this could indicate that your cat needs their hydration levels supported.
Behavioural cues are probably the hardest to detect. Cats experiencing dehydration may eat less, be less enthusiastic about play, or sleep more on average. These changes could be subtle, so try to also look for clues in the above two categories.
What Influences a Cat’s Hydration Levels?
Diet is one of the biggest factors that affects hydration. Research shows that dry kibble contains between 10% moisture, which is very little compared to wet food, which has about 70-80%. If your cat is fed a dry food-only diet, they must drink significantly more water to meet their hydration requirements. These cats often don’t compensate enough just by drinking water.
Environmental factors can also influence hydration. Seasonal changes and hotter, drier climates can increase water loss. This could even be from a man-made environment with an indoor heater, for example. According to experts, cats that live in these warmer climates, or don’t have access to good airflow, are more prone to dehydration.
The Veterinary Information Network reports that medical conditions, including diabetes, hyperthyroidism, and kidney disease, can all cause a higher urine output. This can rapidly lead to dehydration if water intake is not adjusted accordingly. If your cat has one of these diseases, they will require closer monitoring and potentially dietary adjustments to maintain proper hydration.
More on Hydration and Bowel Movements
As mentioned previously, cats that are well-hydrated are more likely to pass stools that are both regular and comfortable. Water keeps stools soft, encourages the movement of the intestines (peristalsis), and prevents the buildup of material in the colon.
Going back to constipation, DVM Allison Collier notes that if this condition persists, it can lead to more serious problems like impaction (stool becoming so hard that it cannot pass without medical intervention). This uncomfortable and dangerous condition is easily avoidable with proper hydration monitoring and support.
Another way hydration influences healthy bowel movements is through the gut microbiome. The beneficial bacteria in the digestive system that are crucial in breaking down food, producing vitamins, supporting the immune system, and preventing harmful pathogens from taking over, thrive in a hydrated environment. The Purina Institute reports that a balanced and happy gut microbiome contributes to improved stool quality, stronger immunity, and better digestion.
How to Encourage Better Hydration in Cats
There are several ways to improve your cat’s hydration status. Most techniques are quite easy to integrate and can make a dramatic difference! Pay attention to what works and what doesn’t.
Each cat is particular, so some techniques may work better for certain cats compared to others. One major step you can take is to simply introduce more wet food into your cat’s diet. Switching part or all of their diet can make a significant difference in boosting hydration. Make sure you consult your veterinarian about considerations like tooth brushing if you are making the switch from dry to wet food.
If your cat is a picky drinker, consider switching to a water fountain. Many cats prefer drinking moving water compared to still water, so fountains are a perfect way to encourage these picky drinkers to consume more water. The sound of the fountain and the freshness of the water often attract cats that are reluctant to drink from water bowls.
You can also offer multiple water dishes around the home in different rooms to make it easier for your cat to drink frequently. This is especially useful for households with multiple cats, as it reduces the instances of a cat neglecting to drink, simply because the bowl is occupied.
Finally, mixing a small amount of water (even a tablespoon helps) into your cat’s food can provide a major boost. You can do this for both wet and dry food diets; in fact, softening dry food is beneficial for cats with dental disease, so this change could support multiple problems at once. Some owners find that adding low-sodium broth is even more effective at encouraging hydration as it is tastier than simply adding water.
The content in this section is informed by the expertise of the Cornell University College of Veterinary Medicine.
When Hydration Problems Signal a Bigger Health Issue
Chronic dehydration can develop slowly and remain unnoticed for long amounts of time, so it’s important to keep an eye out for symptoms such as persistent lethargy, ongoing dry stool and constipation, and sunken eyes. Cats that have the urine-increasing diseases mentioned by the Veterinary Information Network are more prone to chronic dehydration and need to maintain an above-average water intake to avoid further health complications.
If you notice that your cat is experiencing repeated constipation, refuses its water, or shows any other signs of chronic dehydration, it’s important to consult your veterinarian right away.
Intervening early helps prevent the development of more serious digestive or systemic problems.
How an Automatic Cat Litter Machine Can Help Monitor Hydration
Automatic litter machines are an extremely useful tool that not only clean, but also make monitoring your cat’s hydration a lot easier. They can track stool consistency and frequency over time by recording usage patterns like weight and dwell time. This data can help in early recognition of dehydration-related changes to bowel movements.
By tracking how long your cat is in the litter box and the weight of the output, automatic litter machines can detect early signs of constipation or diarrhoea. Noticeable decreases in output (of stool or urine) can signal inadequate hydration or other underlying health issues.
Finally, research shows that a cleaner litter box encourages cats to visit more regularly and prevents stress-related avoidance, especially for cats with digestive issues. By referring to the log of the automatic litter machine, you can spot trends early on and address any issues promptly.
Hydration as a Cornerstone of Your Cat’s Well-Being
Almost every aspect of your cat’s health is influenced by hydration. By ensuring your cat is well-hydrated, you can help them maintain regular bowel movements, prevent constipation, support nutrient absorption, and promote their overall vitality.
Making simple changes to their diet and/or water source can have a dramatic effect on improving their hydration. Additionally, paying attention to your cat’s behaviour and litter box habits is essential in identifying and addressing hydration issues early on, and supporting their long-term wellness.
Hopefully, with these newfound insights, you can feel empowered to make the changes necessary for your cat to live a more comfortable and healthy life.
Disclaimer: Grin Like Cheshire is not affiliated with the featured brands and trademark rights remain the property of their respective owners. Above information is for educational purposes only and does not constitute medical advice. Always seek the advice of a qualified healthcare provider with questions regarding a medical condition.
Sources:
https://www.petmd.com/cat/symptoms/why-your-cat-wont-drink-water-and-what-do/#:~:text=
https://veterinarypartner.vin.com/default.aspx?pid=19239&catId=254073&id=11111095
https://www.msdvetmanual.com/digestive-system/diseases-of-the-large-intestine-in-small-animals/constipation-obstipation-and-megacolon-in-small-animals
https://www.purina.com/articles/cat/health/digestion/cat-gut-health
https://www.petmd.com/cat/nutrition/wet-cat-food-vs-dry-cat-food-which-better
https://www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information/feline-health-topics/hydration
https://pmc.ncbi.nlm.nih.gov/articles/PMC10822439