Essential Oils and Animals: What’s Safe, What’s Not, and How to Use Them Well

Essential oils have become a fixture in many Australian households — diffusers humming in living rooms, roller bottles in handbags, lavender on pillowcases. And it’s natural to wonder whether the oils benefiting us might also help our pets. The answer is: sometimes yes, often with caution, and occasionally absolutely not.

As an integrative vet, I use essential oils as part of a broader natural health toolkit. But I also see animals harmed by well-meaning owners who didn’t know what they didn’t know. So let’s set the record straight.

Why animals are different from us

Pets metabolise compounds very differently from humans. Cats in particular lack a key liver enzyme (glucuronyl transferase) needed to break down many aromatic compounds — meaning oils that are perfectly safe for you can accumulate to toxic levels in your cat surprisingly quickly. Dogs are more tolerant but still far more sensitive than adult humans. Small animals, birds, and reptiles are even more vulnerable.

This doesn’t mean essential oils are off-limits — it means they must be used correctly, at the right dilution, with the right species, and ideally under guidance from an integrative vet.

Oils that are generally considered safer for dogs

  • Lavender — calming, good for anxiety and minor skin irritation. One of the most well-tolerated oils for dogs when properly diluted.
  • Frankincense — anti-inflammatory, immune supportive, often used for older dogs with joint pain or cancer support.
  • Chamomile (Roman) — gentle, soothing for skin and digestion, calming for anxious dogs.
  • Cardamom — supports digestion and respiratory function.
  • Cedarwood — useful for skin and coat health, also mildly calming.

Always dilute to 0.5–1% for dogs (that’s roughly 1 drop of essential oil per teaspoon of carrier oil). Never apply neat oil directly to skin.

Oils to avoid around cats entirely

  • Tea tree (melaleuca) — toxic to cats even in small amounts
  • Eucalyptus — respiratory irritant, potentially toxic
  • Peppermint — can cause neurological symptoms, diluted.
  • Citrus oils — toxic to cats
  • Clove, oregano, thyme — too hot and phenol-rich for feline systems
  • Wintergreen — contains methyl salicylate, dangerous in quantity for cats, diluted on skin in small amounts for dogs is ok.

If you have cats in the home, be very cautious with any diffusion. A well-ventilated room, short diffusion periods, and always giving your cat an easy exit from the room are minimum precautions. Watch for watery eyes, drooling, lethargy, or wobbliness — these are signs of toxicity.

Safe ways to use essential oils with animals

Diffusion with caution — Use an intermittent diffuser (on for 30 minutes, off for 30 minutes) in a well-ventilated space. Never in an enclosed room with a small animal. Always let your pet leave if they want to.

Topical application (dogs only, diluted) — Add 1 drop of a safe oil to a teaspoon of coconut or fractionated coconut oil. Apply to the back of the neck or base of spine, avoiding face, genitals, and any broken skin.

Inhalation — Place 1 drop on a cloth or tissue near your dog’s bed. This passive, low-dose exposure is often enough for a calming effect without any risk.

Environmental use — A few drops on a bandana or in a spray bottle with water (shake well before each use) can help anxious dogs in cars or at the vet. We make a calming spray with lavender, vetiver, chamomile which works a treat for this purpose.

My golden rules

  1. Less is always more with animals
  2. Always dilute — never use neat- except for a few topical cancer treatments- frankincense, myrrh and lavender are quite safe.
  3. Cats and birds need caution; dilute sprays can be helpful birds especially like the citrus emotionally uplifting.
  4. Source therapeutic-grade oils from reputable suppliers
  5. If your pet seems unwell after oil exposure, fresh air first, vet second

Essential oils can be a genuinely useful part of your pet’s natural health toolkit when used respectfully and knowledgeably. They’re not magic, and they’re not universally safe — but in the right context, with the right animal, they can support calm, comfort, and wellbeing beautifully.

For a comprehensive guide to using essential oils safely with your animals, along with a full A-Z of natural health approaches for dogs and cats, visit my bookstore at https://books.by/naturopathvet — and feel free to book a consultation at Animal Wellness, East Brisbane, via http://www.animalwellness.com.au

5 Nutrition Shifts That Can Transform Your Pet’s Health


Most pet owners I meet are doing their best — buying decent food, following feeding guidelines, and genuinely caring about what goes into their animal’s bowl. Yet so many of the dogs and cats I see in clinic are struggling with issues that respond remarkably well to one thing: changing what they eat.

Nutrition is the foundation of everything in integrative veterinary medicine. Before we reach for supplements, herbs, or medications, we look at the diet. What your pet eats every single day either builds health or quietly undermines it. Here are five practical shifts that can make a real difference.

1. Reduce ultra-processed pet food

Kibble is convenient, but most commercial dry food is heavily processed at high temperatures, which degrades nutrients and creates inflammatory by-products. I’m not saying kibble is poison — but if your pet is eating it exclusively, there’s room to improve. Start by replacing one meal a day with whole food: lightly cooked meat, vegetables, and a source of healthy fat. Small steps compound over time.

2. Add real protein from whole food sources

Pets are carnivores or omnivores by design. Their digestive systems are built around animal protein. Where possible, include whole food protein sources — chicken, sardines, eggs, beef — rather than relying solely on rendered meat meals listed on the back of a bag. The quality and bioavailability of whole food protein is significantly higher.

3. Cut back on simple carbohydrates

Many commercial pet foods are surprisingly high in carbohydrates — grains, potatoes, legumes — used as cheap fillers. Excess carbohydrates drive inflammation, contribute to weight gain, and feed the kind of gut bacteria we don’t want dominating. For pets with skin issues, joint pain, or cancer, reducing carbohydrate load is often one of the first things I recommend.

4. Introduce fermented foods and probiotics

A healthy gut microbiome underpins immune function, mood, and systemic inflammation. A small amount of plain kefir, fermented vegetables, or a good quality pet probiotic added to meals can shift the gut environment meaningfully over weeks. Start small — a teaspoon with meals — and build from there.

5. Rotate proteins and ingredients

Feeding the same food day after day, year after year, increases the risk of food sensitivities developing over time. Rotating between protein sources (chicken one week, fish the next, lamb the week after) gives your pet a broader nutrient profile and reduces the likelihood of intolerance. It also makes mealtimes more interesting for them — which matters more than we often realise.

A note on supplements

Even a good whole food diet can have gaps. Omega-3 fatty acids (from fish oil or algae), Vitamin D, and digestive enzymes are commonly deficient in pet diets and worth considering for most animals. But supplements work best on a solid nutritional foundation — they are not a substitute for real food.

If you’d like personalised guidance on your pet’s diet, you’re welcome to book a consultation at Animal Wellness in East Brisbane — visit naturopathvet.com for details.

For a comprehensive guide to nutrition and natural health for your dog or cat, my Natural Health A-Z for Dogs and Cats is available now at https://books.by/naturopathvet — paperback and eBook.

When Your Pet Has Cancer: How Integrative Care Can Help

When a vet tells you your dog or cat has cancer, the world shifts. You leave the clinic with a diagnosis, a referral, and a head full of questions — and often, a quiet, desperate wish that there was more you could do. The good news is: there usually is.

Integrative cancer care doesn’t replace conventional treatment. It works alongside it — supporting your pet’s body, reducing side effects, and improving quality of life throughout the journey.

What integrative cancer care actually means

Integrative medicine brings together the best of both worlds: conventional veterinary oncology (surgery, chemotherapy, radiation) combined with evidence-informed natural therapies such as herbal medicine, acupuncture, nutritional support, and Chinese herbal formulas.

The goal isn’t to “cure cancer with herbs.” The goal is to support the whole patient — their immune system, their gut health, their comfort, their resilience — so that conventional treatments work better and your pet feels as well as possible throughout. In my experience at Animal Wellness in Brisbane, pets receiving integrative support often tolerate chemotherapy with fewer side effects and maintain a better quality of life.

5 ways to support your pet through cancer treatment

  1. Nutrition first — A whole food, anti-inflammatory diet reduces the glucose load that cancer cells thrive on. Think high-quality protein, healthy fats, and minimal processed carbohydrates. Small changes make a real difference.
  2. Targeted herbal support — Herbs such as astragalus, turkey tail mushroom, and turmeric have well-documented immune-modulating and anti-inflammatory properties. Dosing and selection must be tailored to the individual pet and their treatment protocol.
  3. Acupuncture for pain and nausea — Acupuncture is one of the most effective tools I use for managing cancer-related pain, nausea from chemotherapy, and appetite loss. Most pets tolerate it remarkably well and visibly relax during sessions.
  4. Chinese herbal formulas — Traditional Chinese Veterinary Medicine offers formulas specifically indicated for different cancer patterns. These can support organ function, reduce tumour-related inflammation, and complement Western oncology protocols beautifully.
  5. Environmental and emotional support — Stress impairs immune function. Creating a calm, enriching environment, maintaining gentle routine, and considering flower essences or aromatherapy can meaningfully support your pet’s wellbeing during treatment.

When to consider natural therapies alongside conventional treatment

The short answer: from the beginning, where possible. Early integration — rather than reaching for natural therapies only when conventional options are exhausted — gives the best outcomes. That said, it’s never too late to start.

Always discuss any natural therapies with your oncologist or integrative vet before starting, as some herbs and supplements can interact with chemotherapy drugs or affect test results.

If you’re in Brisbane, you’re welcome to book a consultation at Animal Wellness (naturopathvet.com) where we can create a tailored integrative plan for your pet.


A cancer diagnosis is not the end of the road. With the right support, many pets go on to have months or years of good quality life — comfortable, connected, and cared for.

To explore these approaches in depth, my book Integrative Cancer Care for Pets is available now at https://books.by/naturopathvet— paperback and eBook.

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