A cat that is choking has about 2 minutes of useful home time before the plan should change to a car ride, and the first 5 seconds decide whether you touch the cat at all. If the cat is coughing hard, making noise, or breathing between efforts, leave it alone: a coughing cat is moving air, and 2 fingers in the mouth can push a 1 cm object from the pharynx into the larynx. If the cat is silent, open-mouthed, blue on the gums and pawing at its face with 1 or both front paws, start the sequence below and stop at 2 minutes.
Look for 5 seconds, no longer
Open the mouth with 1 hand over the top of the head and 1 finger behind the upper canine teeth. Tilt the nose up 30 degrees, not 90, because a cat's larynx sits low and overextending the neck closes it. Look at the back of the throat for 5 seconds. You are looking for something you can actually see: a 1-2 cm bone, a 5 mm piece of string, a chunk of food, a hair tie. If you can see it and it is loose, take it with your fingers or blunt forceps in 1 attempt. If you cannot see it in 5 seconds, stop looking. Blind sweeps push the object deeper into a 2-3 cm pharynx and are the most common way a partial blockage becomes a full one.
5 back blows, between the shoulder blades
Hold the cat facing away from you, body along your forearm, head slightly lower than the hips. With the heel of your hand, deliver 5 firm blows between the shoulder blades, each about 1 second apart, from a height of 5-8 cm. The force should move the chest 1-2 cm. For a 4 kg cat, 5 blows is the whole set; do not add a 6th because nothing happened. Gravity plus 5 compressions of the chest is what shakes a 5 mm object loose, and 10 blows in a row risks bruising the lungs.
5 infant-style thrusts, below the rib cage
Turn the cat onto its side or hold it belly-up against your chest. Find the spot 1-2 cm behind the last rib, place 2 fingers there, and push inward and toward the head 5 times, 1 per second, 2-3 cm deep. This is the cat version of an infant abdominal thrust, scaled to a 3-5 kg body. Do not use the adult Heimlich technique: a full adult thrust on a 4 kg cat can rupture the liver, which sits 1-2 cm behind that spot and is 3 times the size of a cat's stomach.
The 2-minute cycle, in numbers
| Cycle | Seconds | Action | Stop if |
|---|---|---|---|
| 1 | 0-5 | Open mouth, look, 1 grab attempt | Object is out |
| 2 | 5-15 | 5 back blows, 5-8 cm height | Cat breathes or coughs |
| 3 | 15-30 | 5 thrusts, 2-3 cm deep | Object appears in mouth |
| 4 | 30-120 | Repeat 2 and 3, check mouth 3 times | 2 minutes used up |
Two minutes, 4 cycles at most, is the ceiling. After 120 seconds with no air moving, the odds of a good outcome drop with every minute, and a vet with a 3-4 mm endotracheal tube, oxygen and forceps can do in 30 seconds what fingers cannot. Cats that arrive within 10 minutes of the blockage usually do better than cats that arrive at 30, and the difference is mostly the owner's decision time.
What not to do, in 5 items
- No blind finger sweep. You will find the back of the throat, not the object.
- No pulling string or tinsel. If 1 end is visible and the rest is down the throat, cut it at the lip and let the vet pull: a 10 cm string can be anchored under the tongue, and pulling can tear 2-3 cm of esophagus.
- No water to wash it down. A 5 mL syringe swells a food chunk and adds aspiration risk.
- No chopsticks, pens or tweezers down the throat. A cat's pharynx is 2-3 cm deep and the tissue tears at 1 kg of force.
- No waiting to see if it settles. A cat that stops coughing and starts breathing quietly with a 40 per minute rate is not fine; it may have a partial blockage that swells over 6-12 hours.
If the cat goes limp
Limp, pale, and not breathing means CPR, not more back blows. Lay the cat on its right side, find the heart behind the 4th-5th rib (about 1 hand-width back from the shoulder), and compress 1/3 of the chest depth at 100-120 per minute, 30 compressions to 2 breaths if you are trained, or continuous compressions if you are not. A 4 kg cat needs about 1.3 cm of chest compression. Switch people every 2 minutes; compression depth commonly falls off by 30-40% after 120 seconds of solo work.
Even a cat that recovers on the table needs a look. Aspiration of 1-2 mL of saliva or food reaches the lung bases within 60 minutes, and aspiration pneumonia usually shows as a fever of 39.5-40.5 C and a rate over 50 per minute at 24-72 hours. Cats with a string, a bone or a fish hook go to the clinic regardless of how well they look at minute 5.
Aftercare: the 72-hour lung window
Expect a sore throat and a hoarse meow for 24-48 hours. Offer water in small amounts at 30-minute intervals for the first 2 hours, then 1-2 tablespoons of soft food, and no dry kibble for 24 hours. Check breathing at rest at 6, 24 and 72 hours: over 40 per minute at rest, any open-mouth breathing, or a temperature over 39.5 C means a recheck that day.
Two pages worth reading before this ever happens: what to do if the object was a plant or a household product (toxin lookup), and the heat protocol if the cat was panting in a hot room before it choked, since 40 C body temperature and choking look alike in the first 2 minutes (heatstroke first aid). A cat that swallowed a poisoned bait or a lily leaf needs the poisoning sequence first, because the airway is only 1 of 2 problems (poisoning first aid).
Five steps to remember
- Coughing and noisy means leave it; silent and blue means start.
- Look for 5 seconds, 1 grab attempt only if the object is visible.
- 5 back blows between the shoulder blades, 5-8 cm, 1 second apart.
- 5 thrusts 1-2 cm behind the last rib, 2-3 cm deep, 1 per second.
- Stop at 2 minutes and drive; call ahead so oxygen is ready.
Terms mentioned in this article
Frequently asked
How do I know if my cat is choking or just coughing?
Sound decides it. A cat that coughs, wheezes or makes any noise between efforts is moving air and should be left alone, because fingers in the mouth can push a 1 cm object into the larynx. A silent cat with an open mouth, blue gums and paws at its face is blocked and gets 5 seconds of looking, then 5 back blows.
How many back blows and thrusts can I give before driving?
Two minutes total, 4 cycles of 5 back blows and 5 thrusts, with a mouth check between cycles. Blows land between the shoulder blades from 5-8 cm, thrusts go 1-2 cm behind the last rib at 2-3 cm deep, 1 per second. After 120 seconds with no air moving, a vet with a 3-4 mm tube and forceps is the better option.
What if the object is a string or tinsel?
Never pull it. A 10 cm string can be anchored under the tongue, and pulling can tear 2-3 cm of esophagus or saw through the intestine later. If one end is visible, cut it at the lip, leave the rest, and drive. String and tinsel are surgical cases even when the cat looks normal at minute 5, because the intestine can bunch on it within 24-48 hours.