Trouble breathing
Open-mouth breathing in a cat, gasping, choking, noisy or labored breathing, blue or gray gums, or obvious distress while breathing.
DOG + CAT HEALTH · URGENT CARE GUIDE · REVIEWED AUGUST 16, 2026
When it’s
an emergency.
How to recognize danger, act without making things worse, and decide when your pet needs immediate or same-day veterinary care.
1
Call the nearest veterinary emergency hospital. Tell them what happened, your pet’s species and size, current signs, and your estimated arrival time.
2
Leave promptly. Calling ahead helps the team prepare, but do not allow a long phone conversation to delay transport of an unstable pet.
3
Transport safely. Keep movement minimal, protect yourself from pain-related bites, and use a carrier, box, towel, blanket, or rigid surface when appropriate.
A SIMPLE RULE
If you are debating whether it can wait, call.
No webpage can assess gum color, breathing effort, circulation, pain, neurologic function, hydration, or internal injury as accurately as a veterinary professional. Signs may also look mild before an animal deteriorates.
When something feels dramatically different from your pet’s normal behavior—or the change is sudden, severe, worsening, or follows trauma or toxin exposure—contact a veterinarian or emergency hospital.
GO TO AN EMERGENCY HOSPITAL NOW
Red flags that should not wait.
This list is not exhaustive. If your pet appears unstable or you cannot safely evaluate them, err on the side of urgent veterinary assessment.
Collapse or unresponsiveness
Fainting, inability to stand, extreme weakness, sudden paralysis, loss of consciousness, or gums that are very pale, white, blue, or gray.
Seizures
A seizure lasting more than five minutes, repeated seizures without normal recovery, multiple seizures in 24 hours, or a seizure with possible toxin exposure.
Major trauma or bleeding
Being hit by a vehicle, a serious fall, bite wounds, penetrating injury, uncontrolled bleeding, suspected internal bleeding, or any trauma followed by weakness or breathing changes.
A swollen abdomen with retching
A suddenly enlarged or painful abdomen, repeated attempts to vomit with little or nothing produced, drooling, pacing, or collapse—especially in a large or deep-chested dog.
Unable to urinate
Repeated straining with no urine or only drops, crying in the litter box, genital licking, vomiting, or lethargy. This is especially urgent in male cats.
Known or suspected poisoning
Medication mistakes, toxic foods or plants, rodenticide, antifreeze, chemicals, cannabis, xylitol, lilies in cats, or any unknown substance—call immediately even if your pet looks normal.
Heat illness or severe temperature exposure
Heavy panting with weakness, confusion, vomiting, collapse, seizures, very red or pale gums, or a body that feels dangerously hot after heat exposure.
CONTACT A VETERINARIAN THE SAME DAY
Urgent does not always look dramatic.
Your veterinarian may direct you to an appointment, urgent-care clinic, emergency hospital, or careful home monitoring based on the details.
Repeated vomiting or diarrhea
Especially with blood, pain, weakness, dehydration, a very young or elderly pet, a chronic medical condition, or inability to keep water down.
Eye pain or injury
Squinting, holding an eye closed, cloudiness, sudden swelling, trauma, chemical exposure, or sudden vision change can worsen quickly.
Significant pain
Crying, trembling, hiding, guarding the abdomen, a tense posture, inability to settle, or refusing to use a limb deserves prompt assessment.
Sudden behavior or balance changes
Disorientation, circling, head tilt, stumbling, marked restlessness, pressing the head against objects, or a major unexplained personality change.
Not eating or drinking normally
Abrupt appetite loss—particularly in cats—or reduced intake with lethargy, vomiting, pain, weight loss, or another health condition warrants a call.
Worsening cough or breathing change
A new cough, faster breathing at rest, reduced stamina, or breathing that looks different should be discussed promptly; visible effort is an emergency.
POISON OR MEDICATION EXPOSURE
Do not wait for symptoms.
Risk depends on the exact substance, concentration, amount, time, species, weight, and health history. Some toxins cause delayed injury after a pet initially appears normal.
ASPCA Animal Poison Control(888) 426-443524 hours · consultation fee may applyPet Poison Helpline(855) 764-766124 hours · consultation fee may apply
- Move your pet away from the substance without exposing yourself.
- Save the package, label, medication bottle, plant sample, or a clear photo.
- Estimate the amount and time of exposure; know your pet’s approximate weight.
- Call a veterinarian or animal poison-control service immediately.
- Do not induce vomiting unless a veterinarian or poison specialist specifically directs you.
- Do not give milk, oil, salt, charcoal, human medication, or another home remedy.
- Do not assume a product is safe because another pet had no reaction.
- Do not delay the call while searching online for a toxic dose.
SAFE STEPS WHILE HELP IS ON THE WAY
First aid is a bridge—not a substitute for treatment.
Apply firm, direct pressure with clean cloth or gauze. If blood soaks through, add material on top rather than repeatedly lifting the first layer.
Move nearby objects, dim the room, keep hands away from the mouth, and time the episode. Do not restrain your pet. Record video only if it is safe.
Keep your pet calm and cool, minimize handling, avoid pressure on the neck or chest, and go directly to emergency care. Do not place anything in the mouth unless an object is clearly visible and safely removable.
Move the pet as little as possible. Support the body on a blanket, board, or other firm surface when spinal injury is possible. Even pets that stand after an impact may have internal injuries.
Move to a cooler area and begin cooling with cool—not ice-cold—water and airflow while arranging immediate transport. Stop active cooling if directed by the veterinary team.
A frightened or painful pet may bite. Use a towel or carrier when possible. Never muzzle an animal that is vomiting, having difficulty breathing, has facial trauma, or is unconscious.
BE READY BEFORE YOU NEED TO LEAVE
Make an emergency plan tonight.
01Save your regular veterinarian and nearest 24-hour emergency hospital in every caregiver’s phone.02Know the route, after-hours entrance, payment expectations, and an alternate hospital.03Keep carriers accessible, medications listed, and a recent medical summary available.04Record your pet’s normal resting behavior and ask your veterinarian what changes matter for existing conditions.
TRUSTED SOURCES
Guidance behind this page
American Veterinary Medical AssociationFirst-aid guidance for pet owners ↗U.S. Food & Drug AdministrationWho to call in a pet emergency ↗U.S. Food & Drug AdministrationPotentially dangerous items ↗ASPCA Animal Poison Control Center24-hour poison assistance ↗Cornell University College of Veterinary MedicineUrinary obstruction information ↗Merck Veterinary ManualEmergency seizure definition ↗