Pet Emergencies and Home Safety: Signs Your Pet Is Sick and What to Do

Pets rarely tell you they feel unwell. Cats in particular hide illness well, and the first hints are often small: a skipped meal, a quiet day, a new reluctance to jump or play. Most of these changes can wait for a normal vet appointment. A few cannot, and knowing the difference is the most useful thing an owner can learn. This guide starts with the emergencies that need a vet right away, then covers poisoning, choking, weather hazards, parasites, the everyday signs that a cat or dog is sick, and how to care for a sick pet at home.

Note: This guide is general information, not a substitute for veterinary care. If your pet is struggling to breathe, has collapsed, is having a seizure, or may have eaten something toxic, call your vet, an emergency clinic, or a pet poison helpline now.

Go to a Vet Now: Emergency Signs in Cats and Dogs

Call your vet or an emergency clinic immediately, or go straight there, if your pet shows any of the following:

• Breathing trouble: labored breathing, blue or grey gums, choking, or constant coughing. In cats, open-mouth breathing or panting at rest is always a reason to go in.
• Straining to urinate with little or no urine, especially in a male cat. A urinary blockage can become life-threatening within hours.
• Collapse, seizures, or sudden weakness, including sudden paralysis or dragging of the back legs.
• Suspected poisoning, even if your pet seems fine right now.
• Pale or white gums, which can mean blood loss or shock.
• A swollen, tight belly with unproductive retching in a dog, which can be bloat, a fast-moving emergency.
• Repeated vomiting or diarrhea, or any vomit or stool with a lot of blood.
• Signs of heatstroke, such as heavy panting, drooling, bright red gums, weakness, or confusion after heat exposure.
• Injury, such as a fall from a height, a car accident, a deep wound, or a bite, even if your pet looks only mildly hurt.

On the way, keep your pet calm and warm, and bring any packaging, plant, or substance involved. If you are unsure whether something is an emergency, call. Vets can tell you over the phone whether to come in now. For a closer look at urinary emergencies in cats, see what blood in the cat litter box means.

Poisoning and Toxic Hazards at Home

Many poisonings happen with everyday items. Some of the most common dangers are:

If you think your pet has eaten something toxic, call your vet or a pet poison helpline right away, even if your pet seems normal; signs can be delayed. Do not try to make your pet vomit unless a vet tells you to, because some substances cause more harm coming back up. Keep the packaging or a photo of the plant. For specific guidance, see what to do if your dog ate chocolate, why dogs can't eat xylitol, and the houseplants that must never be around cats.

Choking and Breathing Emergencies

A choking pet may paw at the mouth, gag, drool, panic, or try to cough with little or no sound, and the gums may turn blue. If your pet can still breathe and cough, keep them calm and get to a vet. If they cannot breathe, look in the mouth and remove an object only if you can see it and reach it safely without pushing it further in. Then try back blows or abdominal thrusts as described in how to perform the Heimlich maneuver on choking pets, and head to the nearest emergency clinic. A pet should be checked by a vet after any choking episode, even if the object came out.

Not every scary breathing noise is choking. Reverse sneezing, more common in dogs but possible in cats, sounds like a loud, repeated snort as the pet pulls air in through the nose. Episodes usually last under a minute, and the pet is normal before and after. Frequent episodes, nasal discharge, nosebleeds, or trouble breathing between episodes need a vet. See reverse sneezing in pets to learn the difference.

Wheezing or whistling breath can mean the airways are narrowed or blocked, for example by allergies, asthma in cats, or other conditions. Fast breathing at rest, especially while sleeping, is worth timing and reporting to your vet.

Weather and Seasonal Safety

Hot Weather and Heatstroke

Dogs cool themselves mainly by panting, and cats hardly at all, so both can overheat quickly in hot weather, parked cars, or stuffy rooms. Flat-faced breeds, overweight pets, seniors, and pets with heart or breathing problems are at higher risk. Early signs include heavy panting, drooling, restlessness, and seeking cool floors; emergency signs include bright red or pale gums, vomiting, wobbling, collapse, or confusion. If you suspect heatstroke, move your pet somewhere cool, wet the fur with cool (not ice-cold) water, offer small sips of water, and go to a vet right away. The guide to keeping pets safe in hot weather covers exercise, pavement, and cooling at home.

Cold Weather

Small, thin, very young, and older pets feel the cold more. A cold cat may curl tightly, seek heat, or feel cool at the ears and paws; shivering, weakness, or a pet that is cold to the touch and slow to respond needs a vet. See how to tell if your cat is cold and winter cat care for litter, water, and warmth. Short-coated, small, or elderly dogs may benefit from a coat outdoors, but a coat should fit well and come off indoors; read when pet clothes help and when they hurt. Weather also changes how closely dogs need watching outside, from icy paths to sudden storms; see when weather means supervising your dog more closely.

Fireworks, Storms, and Loud Noises

Fireworks and thunderstorms frighten many cats and dogs, and frightened pets may hide, bolt through open doors, or injure themselves. Before a noisy night, set up a quiet room with closed curtains, background sound, a hiding place, and water and a litter box for cats. Keep doors and windows shut and make sure ID tags or microchip details are up to date. Ask your vet in advance about options for pets with severe noise fear; never give human calming medicines without veterinary advice. The guide to soothing scared pets during fireworks has a full plan. Ongoing anxiety in dogs can show in subtler ways too; see signs of stress in dogs.

Parasite Prevention for Indoor and Outdoor Pets

Indoor pets are at lower risk of parasites, but not zero risk. Fleas can hitch a ride on people or other pets, mosquitoes can carry heartworm, and worm eggs can come in on shoes. Signs of parasites include weight loss, a pot belly in young animals, diarrhea, scooting, visible worms or rice-like segments near the tail, and itching. Ask your vet to set a deworming and flea prevention schedule based on your pet's lifestyle and local risks, and only use products made for that species, since some dog flea treatments are toxic to cats. Read deworming indoor pets for how parasites reach indoor homes, and for young dogs, puppy parasite prevention.

Everyday Signs Your Pet May Be Sick

Most illnesses start more quietly than an emergency. Watch for changes from your pet's normal routine. For a monthly hands-on routine that catches many of these early, see the at-home cat health check guide.

Changes in Behavior

A usually talkative cat or playful dog that suddenly becomes quiet may be feeling unwell. Hiding more often, under the bed or in closets, is a common sign in cats. A normally friendly pet that growls, hisses, or snaps when touched may be in pain.

Changes in Eating and Drinking

A pet that loses interest in food for more than a day needs a vet; cats in particular should not go without food, because it can lead to liver problems. Constant hunger can also be a concern, as it can be a sign of diabetes or an overactive thyroid. A pet drinking much more or less than usual may have a health issue: drinking more can go with kidney disease or diabetes, while drinking less can go with dental pain or general discomfort.

Weight Changes

Unexplained weight loss is a red flag. It can come from parasites, dental disease, or more serious problems such as organ disease or cancer. Sudden weight gain, a swollen belly, or a change in body shape can mean fluid buildup or hormone problems. Weigh your pet regularly; you should be able to feel the ribs easily, but not see them.

Litter Box and Toilet Changes

Watch for straining, small hard stools, diarrhea, accidents in the house, or a cat that stops using the litter box. These can point to urinary problems, kidney disease, digestive problems, pain, or, in older pets, cognitive changes. Blood in urine or stool, black tarry stool, or straining to urinate all need prompt vet attention.

Breathing and Coughing

Ongoing fast breathing at rest, frequent coughing, or labored breathing need a vet. An occasional cough is usually fine; repeated coughing, gagging, or retching without vomiting is not.

Eye, Ear, Nose, and Other Discharge

For eyes, watch for increased tearing, yellow or green discharge, or crusting. Ears should be clean and odor-free; dark, waxy, or smelly discharge, head shaking, or scratching at the ears can mean an ear infection or mites. Thick, colored, or bloody nasal discharge, especially with sneezing, needs checking, and so does heavy drooling or bad breath. Some genital discharge is normal during heat; excessive, discolored, or smelly discharge is not, and a discharge from an unspayed female that seems unwell after a heat can be an emergency.

Skin, Coat, Scratching, and Licking

Hair loss can be due to allergies, hormonal issues, or parasites like fleas. Red, inflamed, or bumpy skin, constant scratching at one spot, or sores and "hot spots" (painful, moist, red areas often caused by licking or scratching) need attention. Allergens in the home can also play a part; see environmental allergens and the feline skin barrier. Licking one paw or joint over and over can be a sign of pain. Any new lump should be checked by a vet.

Mobility

A cat that hesitates to jump or a dog that avoids stairs may have joint pain or weakness. Stiffness after rest, reluctance to play, or a limp that comes and goes are worth a vet visit, especially in older animals. Read more about arthritis pain signals in dogs and why senior cats hide mobility struggles.

Unusual Sounds

Changes in your pet's usual voice matter, whether a quiet pet becomes vocal or a talkative one goes silent. Repeated gagging, persistent loud stomach gurgling, lip-smacking, or teeth grinding can point to nausea, dental pain, or digestive upset.

How to Care for Your Sick Pet: Steps to Take

When you notice signs of illness, taking prompt and appropriate action is important:

• Stay calm, but do not delay: Staying calm helps you think clearly. At the same time, do not wait too long if symptoms persist or worsen.
• Contact your veterinarian: Describe what you have seen. Your vet can tell you whether your pet needs to come in now or can be watched at home.
• Follow professional advice: If your vet recommends home care, follow their instructions on diet, medication, and what to monitor.
• Create a comfortable resting place: A quiet, warm spot with clean bedding, away from busy areas. For cats, keep food, water, and a clean litter box close by so they do not have to travel far.
• Monitor food and water: Even if your pet's appetite is reduced, help them stay hydrated, and tell your vet if they stop eating or drinking.
• Give medication exactly as prescribed: Never use human medicines without veterinary approval; several common ones are toxic to pets.
• Prevent spread of illness: If the condition may be contagious, separate your pet from other animals and wash your hands often.
• Offer gentle attention: Many sick pets want to be left alone, but your calm presence can still help.
• Keep a log: Note symptoms, eating, drinking, toilet habits, and behavior. This is valuable information for your vet.
• Be patient: Finish the full course of any treatment, even if your pet seems better.

Keep your vet's number, the nearest 24-hour emergency clinic, and a pet poison helpline number saved in your phone before you ever need them.

Related topics: For puppies, the guide to your puppy's vaccination schedule covers the core vaccines that protect against several serious diseases.

FAQs

Q1. When Should You Take a Pet to the Emergency Vet?

Go immediately for trouble breathing, collapse, seizures, suspected poisoning, a male cat straining to pee, a dog with a swollen belly and unproductive retching, heatstroke, serious injury, or repeated vomiting or diarrhea. When unsure, call a clinic and describe the signs.

Q2. Is It Normal for a Cat to Pant?

Brief panting after very intense play can happen, but it should stop within a minute or two. Panting or open-mouth breathing at rest in a cat is not normal and needs a vet right away.

Q3. What Should You Do If a Pet Eats Something Toxic?

Call your vet or a pet poison helpline right away, even if your pet seems fine. Keep the packaging or plant, and do not make your pet vomit unless a vet tells you to.

Q4. How Can You Tell If a Pet Is in Pain?

Signs include hiding, reduced appetite, reluctance to move or jump, changes in posture, growling or hissing when touched, licking one area, and changes in toilet habits. Cats often show pain through subtle behavior changes rather than crying.

Q5. Do Indoor Pets Need Deworming?

Often, yes, though usually less often than outdoor pets. Parasites can reach indoor homes on shoes, other pets, or insects. Your vet can recommend a schedule based on your pet's lifestyle.

Your Pet's Health: Be Watchful, Act Quickly

Caring for a pet means being their health advocate. Learn the emergency signs that need a vet right away, keep toxic foods, plants, and medicines out of reach, plan for heat, cold, and noisy nights, and stay alert to small changes in behavior, appetite, weight, toilet habits, breathing, skin, and movement. You know your pet best. If something seems off, trust your instincts and call your vet.