
What Can Red Indicate?
Red in your cat's litter may indicate the visible presence of blood, which can signal potential health issues such as urinary tract inflammation or stones. Use this guide to learn more about what this color means and how to take action.
Red = Presence of Blood
If red appears in your cat’s litter box, this means that there is blood in the urine and you should immediately consult a veterinarian. Remember, PrettyLitter detects visible blood levels but may not catch very small traces. Visit our color meaning page to learn more about what different colors can signify.
What Does The Presence of Blood Mean?

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