# Hypothermia in Cats: At-Home Warming and When to Go Hypothermia in cats treatment at home starts with gentle, gradual warming and a call to your veterinarian. A cat whose body temperature has dropped needs slow rewarming, because fast or uneven heat can cause burns and dangerous swings in heart rhythm. Mild cases can often be managed at home with guidance, but any cat under 95°F (35°C) needs emergency care right away. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Quick Answer - Normal cat body temperature is roughly 100.5°F to 102.5°F (38.1°C to 39.2°C). Mild hypothermia in a triage setting is 36.8°C to 37.7°C (98.2°F to 99.9°F), moderate is 35.6°C to 36.7°C (96.1°F to 98.1°F), severe is 33.1°C to 35.5°C (91.6°F to 95.9°F), and critical is 33°C (91.4°F) or below [1]. - Warm your cat slowly with blankets, body heat, and a warm (not hot) room. Never use heating pads on high, hot water bottles, hair dryers, or space heaters directly on the cat. - Take your cat to an emergency vet now if the temperature is below 95°F (35°C), if your cat is limp, unresponsive, breathing slowly, or has a very slow heart rate [1]. - Call your vet the same day for any temperature under 99°F (37.2°C), even if your cat seems alert and comfortable. - Never give human medications, alcohol rubs, or hot baths. These can poison your cat or cause burns and shock. ## What Hypothermia in Cats Means and Why Warming Matters Hypothermia means a cat's core body temperature has fallen below normal. Cats lose heat faster than many people expect because their bodies are small. Cold air, wind, and contact with snow, ice, or cold floors all pull heat out of them [2]. The problem is not only feeling cold. A low body temperature affects how the heart, brain, and circulation work. In a study of 1,440 cats arriving at an emergency department, triage body temperature was linked to outcome, which means temperature at intake carried real prognostic weight [1]. Even mild hypothermia changed how intravenous fluids moved through the bodies of healthy anesthetized cats, showing that a small drop in temperature has measurable effects on circulation [3]. Cats most at risk include outdoor cats in winter, cats that get wet, kittens, senior cats, cats under anesthesia, and cats with illness or injury. Keeping cats indoors at all times is the single best way to prevent cold-related problems [2]. If a cat must stay outside, provide shelter raised off the ground with dry bedding such as straw, plus food and unfrozen water, because cats burn more calories to stay warm in winter [2]. ## How to Prepare Before You Warm Your Cat ### Check the temperature first if you can If you have a digital thermometer and your cat tolerates it, take a rectal temperature. Our guide on [how to safely check your cat's temperature at home](/knowledge/veterinary-medicine/vet-visit-decisions/how-to-safely-check-cats-temperature-at-home) walks through the steps. The number matters because it decides whether you warm at home or drive to the vet. If you cannot take a temperature, judge by signs. Mildly cold cats shiver, tuck their paws, and seek warmth. Moderately cold cats stop shivering, feel cool to the touch, and act dull. Severely cold cats are limp, weak, or unresponsive. ### Gather supplies - Dry towels and blankets, warmed in a dryer if possible - Your own body heat (lap or chest contact works well) - A room warmed to about 75°F to 80°F - A cardboard box or carrier lined with blankets - A thermometer - A phone to call your vet ### Move your cat gently Lift your cat with slow, steady support under the chest and hindquarters. Cold cats can have unstable heart rhythms, so avoid rough handling, shaking, or rubbing the limbs hard. ## Step-by-Step At-Home Warming ### Step 1: Get your cat out of the cold Bring your cat indoors immediately. Remove wet collars, harnesses, or clothing. Dry any wet fur with a towel using gentle blotting motions. ### Step 2: Warm the room, not just the cat Set the room to about 75°F to 80°F. A warm room lets your cat hold onto the heat you add. Close windows and doors to stop drafts. ### Step 3: Use gentle, indirect heat Wrap your cat in warm dry blankets. Hold your cat against your body under a blanket. Your core temperature is a safe, steady heat source. If you use a heating pad, set it on the lowest setting, cover it with a thick towel, and place it beside your cat, never underneath or on top. Check the skin every few minutes. ### Step 4: Warm the body core first Focus on the chest, belly, and armpits. Warming the legs and paws first can push cold blood back to the heart. Research in cats shows that insulating the extremities slows heat loss during anesthesia, but that setting is controlled and monitored by veterinarians [4][5]. At home, keep your focus on the trunk. ### Step 5: Recheck the temperature every 10 to 15 minutes Rewarming should be gradual. A safe target is about 0.5°F to 1°F per hour for moderate cases, though your veterinarian will give you a specific plan. Stop active warming once the temperature reaches about 100°F (37.8°C) and keep your cat wrapped in blankets. ### Step 6: Offer warm fluids and food only if alert A fully alert cat can have small amounts of room-temperature or slightly warm water. Never syringe fluids into a cat's mouth, and never feed a cat that is dull, weak, or unable to swallow. Aspiration pneumonia is a real risk. ### Step 7: Call your veterinarian Call before, during, or right after warming. Your vet can tell you whether your cat needs to be seen, and how fast the temperature should climb. ## What Not to Do - Do not use hot water bottles, electric blankets on high, hair dryers, or space heaters directly on your cat. Burns happen fast on cat skin. - Do not rub or massage the limbs. This can move cold blood toward the heart and worsen the problem. - Do not give a warm or hot bath. Rapid external heat can drop core temperature further and cause shock. - Do not give alcohol rubs. Alcohol is toxic to cats through the skin and mouth. - Do not give human medications. Many common pain and cold medicines are poisonous to cats. - Do not use a microwave or oven to warm blankets or rice socks for your cat. - Do not delay veterinary care to keep warming at home if your cat is not improving. ## Heat Exhaustion in Cats Treatment at Home: A Different Problem Owners sometimes confuse cold emergencies with heat emergencies. Heat exhaustion in cats treatment at home is a separate situation and follows different rules. If your cat is panting heavily, drooling, or has been in a hot car or direct sun, that is heatstroke, not hypothermia. Our guide on [cat heatstroke emergency cooling steps](/knowledge/veterinary-medicine/vet-visit-decisions/cat-heatstroke-emergency-cooling) covers cool water towels, airflow, and when to rush in. Do not use the warming steps in this article for a hot cat. ## Recovery Timeline and Home Care | Time After Warming Starts | What to Expect | What to Do | |---|---|---| | 0 to 30 minutes | Shivering may stop or start, cat may seem sleepy | Keep warming slowly, recheck temperature every 10 to 15 minutes | | 30 to 60 minutes | Temperature should begin to rise if warming is working | Call your vet with the current reading | | 1 to 4 hours | Cat becomes more alert, may want to move around | Offer small sips of water if fully alert | | 4 to 24 hours | Temperature should be stable near 100°F to 102.5°F | Keep your cat indoors, warm, and quiet | | 24 to 72 hours | Appetite and energy should return to normal | Watch for coughing, weakness, or a temperature that drops again | If your cat's temperature does not rise within 30 to 60 minutes of gentle warming, that is a reason to go to the emergency clinic. ## Possible Complications and Warning Signs Hypothermia can cause heart rhythm problems, low blood pressure, slow breathing, and changes in how the body handles fluids [3]. In severe cases, organs can be injured. A low temperature at emergency admission has been linked to worse outcomes in cats, so the earlier you act, the better [1]. Watch for these warning signs during or after warming: - Temperature below 95°F (35°C) or not rising - Slow, shallow, or irregular breathing - Very slow heart rate or a pulse you cannot feel - Limp body, no response to voice or touch - Pale, blue, or gray gums - Vomiting, drooling, or trouble swallowing - Seizures or twitching - Skin that looks white, waxy, or hard (possible frostbite) Frostbite and hypothermia often happen together in outdoor cats [2]. Frostbitten skin may not show full damage for days, so have your vet check any pale or hardened areas. ## Questions to Ask the Veterinarian - What temperature should I aim for, and how fast should it rise? - Does my cat need to be seen today, or can I keep warming at home? - Should I use any medications, and what dose is right for my cat's weight? - What signs mean I should come back or go to an emergency clinic? - How do I prevent this from happening again? - Does my cat need bloodwork to check for organ damage or an underlying illness? - Are there any risks from the warming method I used? ## Limitations and When to Contact a Veterinarian At-home warming works best for mild cases in alert cats. It cannot fix severe hypothermia, frostbite, or the health problems that caused the low temperature in the first place. Individual cases need a veterinarian, because the right plan depends on your cat's temperature, age, health history, and exam findings. **Call an emergency vet now if:** - Your cat's temperature is below 95°F (35°C) [1] - Your cat is limp, unresponsive, or having trouble breathing - Your cat has a very slow heart rate or you cannot feel a pulse - Your cat has been in freezing water, snow, or extreme cold for a long time - Your cat has seizures or twitching - Your cat's temperature is not rising after 30 to 60 minutes of warming **Call your vet the same day if:** - Your cat's temperature is under 99°F (37.2°C) but your cat is alert - Your cat shivered for a long time or seems weak - You see pale, hard, or discolored skin on the ears, tail, or paws - Your cat is a kitten, senior, or has a chronic illness **Schedule a routine visit if:** - Your cat had a mild cold exposure and recovered fully but you want a checkup - You need help winter-proofing an outdoor shelter - Your cat keeps getting cold despite indoor care If you suspect your cat ate something toxic, such as antifreeze, call your veterinarian or a pet poison hotline right away. Our article on [cat drank antifreeze](/knowledge/veterinary-medicine/toxicology-and-food-safety/cat-drank-antifreeze) explains the signs and urgency. ## Frequently Asked Questions ### How do I know if my cat is too cold? Feel your cat's ears, paws, and belly. Cold ears and paws with a tucked posture and shivering suggest mild hypothermia. A cat that stops shivering, feels cool all over, and acts dull or limp is more seriously cold. A rectal temperature gives you the clearest answer. ### Can I use a heating pad on my cat? Only on the lowest setting, covered with a thick towel, and placed beside your cat, never directly under or on your cat. Uncovered or high heat causes burns quickly. Your body heat and warm blankets are safer first choices. ### What temperature is an emergency for a cat? A temperature at or below 95°F (35°C) is critical hypothermia and needs emergency care [1]. Any reading under 99°F (37.2°C) deserves a same-day call to your vet, even if your cat seems fine. ### How fast should a cold cat warm up? Slowly. Rapid warming can cause burns, shock, and heart rhythm problems. Most veterinarians aim for a gradual rise over an hour or more, and your vet will set a target based on your cat's condition. ### Can hypothermia in cats go away on its own? Mild cases can improve with gentle warming and a warm room, especially if the cold exposure was brief. Moderate and severe cases do not resolve on their own and need veterinary care. If your cat is not warming up within 30 to 60 minutes, get help. ## Related Articles - [Cat Heatstroke: Emergency Cooling Steps and When to Rush to the Vet](/knowledge/veterinary-medicine/vet-visit-decisions/cat-heatstroke-emergency-cooling) - [How to Safely Check Your Cat's Temperature at Home: What's Normal and What's Not](/knowledge/veterinary-medicine/vet-visit-decisions/how-to-safely-check-cats-temperature-at-home) - [How Often Do Cats Go Into Heat? Feline Estrous Cycle & Signs Guide](/knowledge/veterinary-medicine/preventive-care/how-often-do-cats-go-into-heat) - [Cat Drank Antifreeze](/knowledge/veterinary-medicine/toxicology-and-food-safety/cat-drank-antifreeze) - [How to Monitor Your Senior Cat's Respiratory Rate at Home](/knowledge/veterinary-medicine/senior-and-chronic-care/monitor-senior-cat-respiratory-rate-home) - [How to Check Your Cat's Heart Rate and Pulse at Home](/knowledge/veterinary-medicine/vet-visit-decisions/how-to-check-your-cats-heart-rate-and-pulse-at-home) - [Mild Hypothermia in Cats: Symptoms and Warming Steps](/knowledge/veterinary-medicine/emergency-and-first-aid/mild-hypothermia-cats-symptoms) - [Hypothermia in Cats After Surgery and Other Causes](/knowledge/veterinary-medicine/emergency-and-first-aid/hypothermia-in-cats-causes) - [Fever in Cats: Treatment and Safe Home Care](/knowledge/veterinary-medicine/symptom-guides/fever-in-cats-treatment-home-care) ## References 1. [Triage body temperature predicts outcome in cats at emergency department admission: a retrospective study of 1440 cases (January 2018 to December 2021)](https://pubmed.ncbi.nlm.nih.gov/39808126/). Journal of feline medicine and surgery, 2025. 2. [Cold Weather Tips For Cats](https://www.vet.cornell.edu/departments-centers-and-institutes/cornell-feline-health-center/health-information/cat-health-news/cold-weather-tips-cats). Cornell University College of Veterinary Medicine. 3. [Mild hypothermia is associated with altered volume kinetic parameters of an intravenous crystalloid fluid bolus in healthy isoflurane-anesthetized cats](https://pubmed.ncbi.nlm.nih.gov/39715588/). American journal of veterinary research, 2025. 4. [Insulating the extremities of cats with highly insulating materials during anesthesia reduces core temperature decline with additional benefit from active warming](https://pubmed.ncbi.nlm.nih.gov/40324475/). Journal of the American Veterinary Medical Association, 2025. 5. [Effects of peripheral active warming and passive insulation on core body temperature during feline ovariohysterectomy: a multi-arm randomized clinical trial](https://pubmed.ncbi.nlm.nih.gov/36867072/). Journal of feline medicine and surgery, 2023. ## Further Reading - [American Veterinary Medical Association: First Aid Tips for Pet Owners](https://www.avma.org/resources-tools/pet-owners/emergencycare/first-aid-tips-pet-owners) - [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)