A practical, science-grounded look at medical ozone therapy for pets — what conditions respond best, how it's administered at home, and what Miami pet owners should know before trying it.
If you've been searching for an integrative option to support your dog or cat through chronic disease, slow healing, or persistent infection, you may have come across ozone therapy. It's a treatment that sounds exotic but has been used in human medicine for over a century — and is now increasingly part of integrative veterinary practice.
At My Vet At Home® in Miami-Dade, Dr. Susset Diaz Castillo, DVM, PhD, incorporates medical ozone therapy into treatment plans for select cases where conventional therapy alone isn't enough. Here's what every pet owner should understand before deciding if it's right for their pet.
Ozone (O₃) is a molecule made of three oxygen atoms instead of the usual two. Medical ozone is a precise mixture of pure oxygen and ozone generated on-site by a calibrated medical-grade device, not the ambient ozone you'd find in smog.
When introduced into the body in carefully controlled doses, ozone triggers what's called a mild oxidative stress response — essentially, a brief, controlled signal that activates the body's own antioxidant and immune systems. Think of it as the molecular equivalent of exercise: a small, controlled stress that makes the system stronger.
Once administered, ozone rapidly breaks down into oxygen and reactive oxygen species. These molecules trigger several measurable effects:
This combination is why ozone is considered a true biologic optimization tool — it doesn't override the body, it helps it work better.
Several routes exist; the right one depends on the condition being treated. In our mobile practice, the most common are:
The most widely used systemic method in veterinary medicine. A small, soft catheter is used to deliver a measured volume of the oxygen-ozone mixture into the rectum, where it's absorbed through the colon wall and enters the bloodstream. It's quick, well-tolerated, and works well for chronic systemic conditions.
Small volumes injected under the skin — used for localized issues, immune support, or as part of a maintenance protocol.
A small volume of the pet's own blood is drawn, mixed with ozone, and re-infused. Most powerful systemic application — typically reserved for serious immune-mediated or oncologic cases.
Ozonated oils and water are applied directly to skin lesions, wounds, ear canals, or oral cavities for their direct antimicrobial effect.
All routes are administered slowly, at carefully calculated low doses, with the pet awake and comfortable — no sedation required for the routine routes.
Ozone is not a cure-all, and any reputable veterinarian will tell you so. But there is a growing body of clinical evidence — and decades of integrative practice — supporting its use as an adjunct in several categories:
Honesty matters. Here's what ozone therapy will not do:
It is a support therapy — one tool in an integrative toolkit alongside nutrition, conventional medicine, physical therapy, and lifestyle optimization.
When administered by a trained veterinarian using medical-grade equipment and proper dosing, ozone therapy has an excellent safety profile. The most important safety rule: ozone is never inhaled directly — it's irritating to the lungs. The administration routes used in pets bypass the respiratory system entirely.
Side effects, when they occur, are mild and uncommon — typically a brief feeling of fatigue after the first session, similar to what people describe after a vigorous workout, as the body's antioxidant systems ramp up.
In our practice, a typical course of integrative ozone therapy looks like this:
1. Initial home consultation — full exam, history, and discussion of goals. We confirm ozone is appropriate alongside any conventional treatments.
2. Baseline diagnostics if not already done — bloodwork, urinalysis, and imaging as relevant.
3. Induction phase: 2 sessions per week for 3–4 weeks.
4. Maintenance phase: tapered to weekly, then every 2–4 weeks based on response.
5. Reassessment: at 4–6 weeks we measure objective changes — bloodwork, weight, mobility scores, owner-reported quality of life.
Every visit happens in your home, so there's no car ride, no waiting room, and no stress on a pet who's already managing a chronic condition.
A short but important list:
This is one reason ozone therapy should always be initiated by a licensed veterinarian who has reviewed your pet's full medical history — not a do-it-yourself application bought online.
Ozone therapy fits beautifully into a mobile veterinary practice. Many of the pets who benefit most — seniors, chronically ill, anxious, or immune-compromised — are the same pets who suffer most from the stress of a clinic visit. Delivering this therapy in their own living room, on their own bed or couch, often makes the difference between a pet who tolerates treatment and a pet who actively responds to it.
If you'd like to discuss whether ozone therapy could be part of your pet's care plan, we offer in-home consultations throughout Miami-Dade County.
Learn more about our ozone therapy service or book a home visit to start the conversation.
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VestaSoul My Vet At Home® provides mobile veterinary services across North and South Miami-Dade County. Dr. Susset Diaz Castillo, DVM, PhD, holds advanced training in integrative and biologic optimization medicine.
Phone: (786) 516-4731 | Hours: Monday–Friday, 9 AM – 5 PM
Ozone therapy is offered as an adjunct to — not a replacement for — conventional veterinary medicine. Appropriateness is determined case-by-case after a full in-home evaluation.
VestaSoul — My Vet At Home®, also known as My Vet At Home, is a mobile veterinary house-call practice serving dogs and cats in Miami-Dade County. Led by our Chief Veterinarian, the practice provides in-home veterinary visits, wellness exams, vaccines, diagnostics, pet travel health certificates, senior pet care, and integrative veterinary medicine.