# Why Is My Cat's Pee Orange? What It Means Orange urine in cats is not a color you should ignore. Most often it points to concentrated, dehydrated urine, but it can also mean bilirubin is spilling into the urine from a liver, gallbladder, or blood problem. If your cat's pee is orange, the color itself is a clue, and the other signs your cat shows will tell your veterinarian how urgent it is. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Pale orange or amber urine often just means the urine is very concentrated from mild dehydration, which is common and usually reversible with better water intake. - Bright orange, tea-colored, or brownish-orange urine can mean bilirubin is present, which points to liver, gallbladder, or red blood cell problems and needs a same-day vet visit. - Orange urine plus yellow gums, yellow skin, or yellow eye whites is a medical emergency, because jaundice means bilirubin is building up in the body. - A cat who cannot pee, cries in the litter box, or strains with nothing coming out needs emergency care right away, since a urinary blockage can be fatal within hours. - Do not wait to "see if it clears up" if your cat is also vomiting, not eating, or acting dull. Call your veterinarian today. ## What Orange Cat Pee Looks Like and What Normal Urine Looks Like Normal cat urine is usually light to medium yellow and clear to slightly cloudy. The color comes from urochrome, a pigment made when the body breaks down old red blood cells. When a cat drinks less, the urine gets more concentrated, and the yellow deepens toward amber or light orange. Orange urine can range from a faint peach tint to a strong orange or even brownish-orange. The shade matters less than the pattern. A single pale orange clump on a hot day is different from urine that is consistently dark orange for two or three days. You may notice the color on a white litter box bottom, on a pee pad, or on a light-colored rug. Litter can also change what you see. Polypropylene-based collection litter can affect some urine test results, including leukocyte counts, and can leave a more contaminated background in sediment samples, so it is best used for early screening only [1]. That means the color you see in the box is a starting point, not a diagnosis. If your cat is also peeing in new places, that is a separate clue worth reading about in [Why Is My Cat Peeing Outside the Litter Box?](/knowledge/veterinary-medicine/symptom-guides/cat-peeing-outside-litter-box). ## Why Cat Pee Is Orange: The Main Causes ### Dehydration and Concentrated Urine This is the most common reason for orange-tinted urine. When a cat does not drink enough, the kidneys pull more water back into the body, and the urine left behind is darker and more concentrated. You may see smaller pee clumps, dry gums, or skin that stays tented when you gently pinch it. Cats are prone to dehydration because many of them drink little water by nature. Kidney disease, diabetes, fever, vomiting, and diarrhea can all push a cat toward dehydration. The Merck Veterinary Manual covers how the feline urinary system works and why urine concentration changes with hydration and kidney function [2]. ### Bilirubin in the Urine (Bilirubinuria) Bilirubin is a yellow-orange pigment made when red blood cells break down. A healthy cat's liver processes it and sends it out through bile. When the liver, gallbladder, or bile ducts are not working right, or when red blood cells are breaking down too fast, bilirubin can spill into the urine and turn it orange, tea-colored, or brown. Bilirubinuria is a real finding in sick cats. In one report, a cat with chronic inappetence, lethargy, weight loss, icterus, and bilirubinuria was found to have a partial biliary tract obstruction from an enlarged pancreas [3]. Another report described three cats with acute tularemia who had hyperbilirubinemia with bilirubinuria along with severe depression, oral ulcers, enlarged lymph nodes, and liver and spleen enlargement [4]. These are serious systemic illnesses, not litter box quirks. ### Diet, Treats, and Food Dyes Some cat foods, treats, and supplements contain dyes or pigments that can tint urine. This is uncommon and usually mild. If the color appeared right after a food change and your cat is otherwise bright, eating, and acting normal, diet is a reasonable first suspect. Still, if the color lasts more than a day or two, have it checked. ### Blood in the Urine Blood can mix with yellow urine and create an orange or rusty look. Blood in urine often comes with straining, frequent small pees, or licking at the genital area. A foreign body in the urinary tract can cause ongoing lower urinary tract signs. One report described a cat with a three-year history of recurrent urinary signs, including pyuria, hematuria, and bacteriuria, that did not improve with anti-inflammatory drugs or antibiotics until a retained foreign body was found and removed [5]. ### Pigments From Rare Conditions Very rarely, unusual pigments can darken urine. One case report described a cat with an apocrine gland cystadenocarcinoma whose urine was black and contained increased free pentosidine, with the tumor presumed to be producing lipofuscin-like pigments [6]. This is a rare situation, but it shows that tumor-related pigments can change urine color in ways that only testing can explain. ### Cause, Clues, and Urgency at a Glance | Cause | Typical clues | How urgent | |---|---|---| | Dehydration or concentrated urine | Small pee clumps, dry gums, mild lethargy, no other signs | Routine visit within a day or two if it persists | | Bilirubinuria from liver or gallbladder disease | Yellow gums or eyes, vomiting, not eating, weight loss, tea-colored urine | Same-day vet visit | | Hemolysis (red blood cell breakdown) | Pale gums, weakness, fast breathing, dark orange to brown urine | Emergency now | | Diet or food dye | Color started after a food or treat change, cat acts normal | Routine visit if it lasts more than 1 to 2 days | | Blood in urine or urinary tract disease | Straining, frequent tiny pees, crying in the box, licking genitals | Same-day visit, emergency if no urine comes out | | Urinary blockage (more common in males) | Repeated trips to the box, nothing or only drops, yowling, hiding | Emergency now | | Rare pigment or tumor-related causes | Persistent unusual color, weight loss, poor appetite | Same-day vet visit | ## Red Flags That Mean an Emergency Some signs mean you should stop reading and call an emergency clinic. - Your cat is trying to pee over and over with little or no urine coming out. This can be a urethral blockage, which is life threatening. - Your cat is crying, yowling, or pacing near the litter box. - Your cat's gums, skin, or eye whites look yellow. This is jaundice and needs emergency care. - Your cat is vomiting, weak, collapsing, or breathing fast. - Your cat's belly looks swollen or feels painful when touched. - Your cat has not eaten for more than 24 hours. - Your cat's urine is dark brown or black. If your cat is straining and nothing comes out, that is a same-hour emergency. Do not wait until morning. ## What You Can Safely Do at Home While You Wait You cannot diagnose the cause at home, but you can gather useful information and keep your cat comfortable. - Watch the litter box. Note how often your cat goes, how large the clumps are, and whether the color is getting darker or lighter. - Check hydration. Gently lift the skin between the shoulder blades. If it stays tented instead of snapping back, your cat may be dehydrated. - Offer more water. Try a water fountain, multiple bowls in different rooms, or add a little warm water to wet food. Never restrict water. - Check the gums. Pale gums can mean anemia. Yellow gums can mean jaundice. Both need a vet. - Take a photo. A clear photo of the urine color in white litter or on a white paper towel helps your vet. - Do not give human medications. Never give your cat pain relievers, antibiotics, or supplements for this. Your veterinarian calculates any dose from your cat's weight and health. - Keep your cat indoors. If your cat goes outside, keep them in until you know what is going on. If your cat is also avoiding the box, read [Why Is My Cat Peeing on the Rug? Medical and Behavioral Reasons](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-peeing-on-rug) for more context on what that behavior can mean. ## What Your Veterinarian Will Check and Test Your veterinarian will start with a full physical exam, including gum color, hydration, belly palpation, and body weight. Then they will likely run tests. - Urinalysis. This checks color, concentration, pH, protein, glucose, ketones, blood, and sediment. It can show bilirubin, red blood cells, white blood cells, crystals, and bacteria. - Urine culture. If infection is suspected, a sterile sample is sent to identify the bacteria and the right antibiotic. - Blood work. A chemistry panel checks liver values, kidney values, and bilirubin. A complete blood count checks for anemia and infection. - Imaging. X-rays or ultrasound can look for bladder stones, foreign bodies, tumors, or gallbladder and liver changes. One case used radiographs and ultrasound to find a foreign body in the urethra and bladder [5]. - Specific tests. If bilirubin is high, your vet may look for liver disease, bile duct obstruction, or red blood cell destruction. In the reported tularemia cases, diagnosis involved culturing the organism and immunofluorescent testing [4]. If your cat has a urinary tract infection, you can learn more about the signs in [Signs Of A Urinary Tract Infection In My Cat](/knowledge/veterinary-medicine/clinical-methods/signs-of-a-urinary-tract-infection-in-my-cat). ## Prevention and Monitoring You cannot prevent every cause of orange urine, but you can lower some risks and catch problems early. - Push water intake. Feed wet food, use a fountain, and place water bowls away from the litter box. - Keep litter boxes clean. Scoop daily so you notice color and clump size changes right away. - Watch for subtle changes. Smaller clumps, more trips, or new licking at the genitals are early clues. - Keep up with wellness visits. Blood work and urinalysis at routine exams can catch liver and kidney changes before you see orange urine. - Manage existing conditions. If your cat has kidney disease, diabetes, or liver disease, follow your vet's monitoring schedule. - Avoid sudden diet changes. If you switch foods, do it gradually and watch the litter box for a few days. If your cat starts peeing in new places along with the color change, [Why Is My Cat Suddenly Peeing on the Carpet?](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-suddenly-peeing-on-carpet) covers the medical and behavioral reasons behind that shift. ## Limitations and When to Contact a Veterinarian This article cannot tell you what is causing your cat's orange urine. Only your veterinarian can do that after an exam and testing. Individual cases need a veterinarian, and the timing depends on the signs you see. Call an emergency clinic now if your cat is straining with no urine, has yellow gums or eyes, is vomiting and weak, is breathing fast, or has collapsed. Call your veterinarian the same day if your cat's urine is consistently orange or tea-colored, if your cat is not eating, if you see blood, or if your cat is acting painful or dull. Schedule a routine visit within a day or two if the color is mild, your cat is eating and acting normal, and there are no other signs. ## Frequently Asked Questions ### Is orange cat pee always a sign of liver problems? No. Dehydration and concentrated urine are far more common causes of pale orange urine. Liver and gallbladder problems are more likely when the urine is dark orange or tea-colored and your cat also has yellow gums, vomiting, or a poor appetite. ### Can dehydration alone make my cat's pee look orange? Yes. When a cat drinks less, the urine becomes more concentrated and the yellow pigment deepens toward amber or orange. If your cat is otherwise bright and eating, increasing water intake often lightens the color within a day. ### What does it mean if my cat's pee is orange and smells strong? Strong-smelling, concentrated orange urine often points to dehydration or a urinary tract issue. A urine sample and culture can tell your vet whether bacteria, crystals, or blood are involved. ### Should I collect a urine sample before my vet visit? Yes, if you can do it without stress. A fresh sample in a clean container helps your vet run a urinalysis faster. If you cannot collect one, your vet can get a sterile sample in the clinic. ### Can food or treats turn my cat's urine orange? It is possible but uncommon. Some dyes and pigments in food or supplements can tint urine. If the color started right after a diet change and your cat acts normal, mention it to your vet, but do not assume diet is the cause without checking. ## Related Articles - [Why Is My Cat Suddenly Peeing on the Couch?](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-suddenly-peeing-on-couch) - [Why Is My Cat Peeing Outside the Litter Box?](/knowledge/veterinary-medicine/symptom-guides/cat-peeing-outside-litter-box) - [Signs Of A Urinary Tract Infection In My Cat](/knowledge/veterinary-medicine/clinical-methods/signs-of-a-urinary-tract-infection-in-my-cat) - [Why Is My Cat Peeing on the Rug? Medical and Behavioral Reasons](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-peeing-on-rug) - [Why Is My Cat Suddenly Peeing on the Carpet?](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-suddenly-peeing-on-carpet) - [Why Is My Cat Suddenly Peeing on the Wall?](/knowledge/veterinary-medicine/anxiety-and-behavior-support/cat-suddenly-peeing-on-wall) - [Dark or Bright Yellow Cat Pee: What the Color Means](/knowledge/veterinary-medicine/digestive-and-urinary-care/cat-pee-dark-yellow) - [Yellow Skin or Yellow Pee in Cats: What It Means](/knowledge/veterinary-medicine/symptom-guides/cat-yellow-skin-pee) - [Why Is My Cat's Pee Red? Blood in Urine Causes](/knowledge/veterinary-medicine/digestive-and-urinary-care/cat-pee-red-blood-urine) ## References 1. [Evaluating the impact of polypropylene-based cat litter on urinalysis reliability in feline patients](https://pubmed.ncbi.nlm.nih.gov/41416610/). Polish journal of veterinary sciences, 2025. 2. [The Urinary System of Cats - Cat Owners](https://www.merckvetmanual.com/cat-owners/kidney-and-urinary-tract-disorders-of-cats/the-urinary-system-of-cats). Merck Veterinary Manual. 3. [Unravelling the fatal chain: A detailed investigation into catastrophic events following anaesthesia in a feline patient](https://pubmed.ncbi.nlm.nih.gov/40090782/). Veterinary anaesthesia and analgesia, 2025. 4. [Acute tularemia in three domestic cats](https://pubmed.ncbi.nlm.nih.gov/1778744/). Journal of the American Veterinary Medical Association, 1991. 5. [Fluoroscopy-guided basket retrieval of a chronic urinary foreign body in a cat](https://pubmed.ncbi.nlm.nih.gov/42266346/). The Canadian veterinary journal = La revue veterinaire canadienne, 2026. 6. [Characterization of Black Pigmenturia in a Cat with Apocrine Gland Cystadenocarcinoma](https://pubmed.ncbi.nlm.nih.gov/32359628/). Journal of comparative pathology, 2020. ## Further Reading - [Merck Veterinary Manual: Cat Owners](https://www.merckvetmanual.com/cat-owners) - [Cornell Feline Health Center: Health Information](https://www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information) - [American Veterinary Medical Association: Pet Care](https://www.avma.org/resources-tools/pet-owners/petcare)