Cats, like all animals and humans, require water to maintain proper hydration and bodily functions. Three days is the longest a cat can go without access to water before it’s at risk of severe health consequences.
Dehydration in cats can have detrimental effects at cellular and biological levels. Water is essential for numerous bodily functions, including digestion, circulation, temperature regulation, and waste elimination. When a cat becomes dehydrated, its body begins to compensate by conserving water, which can lead to concentrated urine, reduced blood volume, and thickened saliva. It also loses minerals such as chloride, sodium, and potassium.
At the cellular level, dehydration disrupts the balance of electrolytes and impairs the normal functioning of cells. This can affect a cat’s organ function, leading to issues such as kidney dysfunction, urinary tract problems, and compromised immune response. Severe dehydration can cause electrolyte imbalances, organ failure, and even death. Therefore, it’s crucial to provide a consistent supply of fresh water.