How-To · Veterinary
How to Give Your Dog Oxygen at Home: Delivery Methods, Monitoring and Safety
Key takeaways
- Home oxygen for a dog is set up under your veterinarian's direction. Your vet chooses the delivery method (flow-by, mask, oxygen cage, or nasal cannula), the flow rate, and how long each session lasts. Do not start without your vet.
- There are four common delivery methods, and each has trade-offs. A 2023 clinical review lays them out (table below).
- Count your dog's resting or sleeping breathing rate. Texas A&M's cardiology service says 15 to 30 breaths per minute is normal for dogs and cats, and a resting rate that stays above about 30 is increased and abnormal.
- If the rate stays up, contact your vet. Fast breathing with other signs may be an emergency.
- Oxygen makes fires worse. Keep the machine's vents clear and keep it away from flames and heat.

This guide explains the delivery options and how to monitor your dog's breathing at home. It does not replace your vet.
The four common delivery methods
A concentrator is only the oxygen source. How the oxygen reaches your dog is a separate decision. The table summarizes the conventional methods described in a clinical review in Frontiers in Veterinary Science (Whitney and Keir, 2023). It is written for veterinary teams, so your vet may adapt these for home.
| Method | Advantages | Limitations |
|---|---|---|
| Flow-by (oxygen tube held near the nose) | Uses readily available equipment. A flow of 2 to 3 L/min may provide 25% to 40% oxygen | Not appropriate for prolonged therapy. Wasteful |
| Face mask | Uses readily available equipment | Not appropriate for prolonged therapy. Oxygen percentage depends on the fit of the mask. Ongoing use in conscious animals is limited by a lack of compliance |
| Oxygen cage or kennel | Well tolerated. Allows eating and drinking | Reduced access to your dog. Oxygen level drops quickly when the door is opened |
| Nasal cannula (prongs) | Easy to place. Well tolerated | Poor tolerance at high flow rates. Not suitable for some facial shapes |
The review also notes that human nasal prongs can be used in larger dogs, though no efficacy studies exist in veterinary patients. Ask your vet which method they have in mind, because that answer decides which equipment you need.
What a concentrator does, and what it does not
A veterinary concentrator supplies the oxygen. It does not choose the flow, and it does not include every piece of delivery hardware. Our two veterinary units, the SH-O1 (1 to 7 L/min, built-in nebulizer) and the SH-O5 (0.5 to 5 L/min, 10-inch display), ship with a pet oxygen mask and tubing. Neither ships with an oxygen cage. If your vet's plan uses a cage, that is a separate purchase. See what pet oxygen therapy actually costs for how that changes the budget, and oxygen support for dogs and cats for how these machines differ from the units sold for people.
How to count your dog's breathing rate at home
The Texas A&M cardiology service's client handout gives this method:
- Wait until your dog is sleeping quietly (preferred) or resting calmly.
- Watch the chest. One breath is one full movement in and out.
- Time 30 seconds and count the breaths, then multiply by 2. Or count a full 60 seconds.
- Write the number down, for example on a calendar, so you and your vet can see the trend.
The handout says that dogs and cats, with or without heart disease, normally breathe 15 to 30 times a minute at rest, and that rates "consistently greater than approximately 30 per minute are increased and abnormal." It adds that your vet may consider a rate below 30 abnormal for your particular dog, so ask what number to watch for.
What to do if the rate is up
The handout says to count it a few more times over the next couple of hours to confirm it is a consistent finding. If it is consistently increased, contact your veterinarian. If a higher resting rate comes with other signs, such as increased effort to breathe, restless sleeping, coughing, weakness, or collapse, it may be an emergency, and you may need an emergency veterinary center, especially after hours.

Home safety basics
- Placement. Leave clearance around the machine's vents, keep it off deep carpet, and keep it away from anything burning. Oxygen makes fire worse.
- Noise. Some dogs are bothered by machine noise. Check the decibel rating and let your dog get used to the sound before it matters.
- Pet hair. Hair clogs intake filters quickly. Plan to rinse the intake sponge more often than weekly. Our cleaning and filters guide covers the routine.
- Supervision. Do not leave your dog unattended with oxygen running unless your vet has said that is appropriate.
What about cats?
The same delivery options apply, and your vet will choose among them. The Texas A&M handout gives the same 15 to 30 breaths per minute resting range for cats, and notes that a cat should not be purring when you count.
Questions to take to your vet
- Which delivery method (flow-by, mask, cage, or cannula), and what equipment does that need?
- What flow rate, and how long per session?
- What resting breathing rate should make me call you?
- What signs mean I should go to an emergency center instead?
Write the answers down and bring them when you shop. Not sure which machine matches your vet's numbers? Call us on 1-786-658-5217, Monday to Friday, 8am to 8pm ET, and read us the specification. Our best pet oxygen concentrator guide and guide to buying one online cover the buying side.
Sources
- Whitney J, Keir I. Clinical review of high-flow nasal oxygen therapy in human and veterinary patients. Frontiers in Veterinary Science, 2023. (Conventional delivery methods, advantages and limitations.)
- Texas A&M University College of Veterinary Medicine, Small Animal Clinical Sciences, Cardiology Service. Client Information Series: Measuring Your Pet's Breathing Rate. (Counting method, normal resting range, when to contact a vet.)
For animal care use only. This article is general information, not veterinary advice. Always follow the guidance of a qualified veterinarian for your animal, and read the machine's manual before first use. See our product disclaimer.

