Ginger

Ginger is the rhizome — an underground stem, not a root — of Zingiber officinale. Its activity comes from a family of pungent compounds: gingerols dominate in fresh ginger, and convert to shogaols when it is dried or heated, with zingerone contributing to the flavour. These compounds act on serotonin receptors in the gut and on the vomiting centre, and they inhibit both cyclooxygenase and lipoxygenase pathways, which is the same broad territory as anti-inflammatory drugs.

Of all the traditional remedies owners reach for, ginger is one of the more sensible. It has a genuine mechanism, a long safety record in food, and one application where it is clearly the right tool.

What It Is Best For

Nausea and motion sickness is the use worth knowing. Dogs that drool, whine and vomit in the car are extremely common, and ginger given ahead of a journey is a reasonable first thing to try. It also gets used for post-anaesthetic nausea, gas and bloating, and as an appetite prompt in animals that have gone off food.

Secondarily it is used as a mild anti-inflammatory for stiff older dogs, on the strength of the COX and LOX inhibition. That is a plausible mechanism at a modest magnitude — it is not a substitute for a veterinary pain plan, and the joint ingredients with real canine data are covered in our green-lipped mussel, fish oil and boswellia entries.

What the Evidence Supports

The antiemetic evidence in humans is reasonably good — ginger has been studied for nausea in pregnancy, after surgery and during chemotherapy, with positive results in multiple trials. The anti-inflammatory evidence in humans is weaker but not absent.

In dogs and cats specifically there are no robust controlled trials. So the honest position is that ginger has a well-characterised mechanism, solid human antiemetic data, and no canine efficacy data. That is better standing than most of the herbal aisle, and it is still extrapolation. We would rather tell you that than imply a study exists.

Ginger and Dogs Having Chemotherapy

Several of the pages you will find on this topic mention chemotherapy nausea, and it is the one area where ginger has actually been tested in dogs — in a laboratory setting rather than in pet dogs being treated for cancer. A 1997 study in the Journal of Ethnopharmacology found that ginger extracts reduced vomiting caused by the chemotherapy drug cisplatin in dogs at doses of 25 to 200 mg/kg. The details matter: both effective extracts were less effective than the prescription antiemetic granisetron, a water-based extract did not work, and ginger did not stop vomiting triggered by a different drug.

That supports the mechanism rather than overturning what we said above — there are still no clinical trials in dogs with cancer. If your dog is on chemotherapy, do not add ginger on your own. It affects platelet function and drug-metabolising pathways, as the cautions below explain, and your oncology team has prescription antiemetics that outperform it.

How Much to Give

Body weight · Powdered ginger · Fresh grated

• Cat — A pinch, up to 1/16 teaspoon — A few shreds

• Under 10 lbs — 1/16 to 1/8 teaspoon — 1/8 teaspoon

• 10 to 25 lbs — 1/8 to 1/4 teaspoon — 1/4 teaspoon

• 26 to 50 lbs — 1/4 to 1/2 teaspoon — 1/2 teaspoon

• 51 to 80 lbs — 1/2 to 3/4 teaspoon — 3/4 teaspoon

• Over 80 lbs — Up to 1 teaspoon — 1 teaspoon

That corresponds to roughly 10 to 25 mg per kilogram of body weight, given up to two or three times daily. Start at the low end — ginger is pungent and plenty of dogs object to it outright.

How to Give It

For motion sickness, give it about thirty minutes before travel, on a light stomach rather than a full meal or an empty one. Mix powdered ginger into a spoonful of wet food, goat milk or plain yoghurt, or grate fresh ginger finely so it disappears. Capsules are easy to dose accurately if your dog takes them.

Do not use gingerbread, ginger snaps or ginger ale. They contain sugar and often nutmeg, which is toxic to dogs, and sugar-free versions may contain xylitol, which is severely so. Crystallised ginger is mostly sugar. Use the plain spice or fresh rhizome.

Pickled Ginger, Ginger Tea and Other Forms

• Fresh root — peel it and mince or grate it finely, as the AKC suggests. A fibrous chunk is more likely to be spat out than eaten.

• Ginger juice — the AKC lists it alongside fresh and powdered ginger as a safe form. Use plain juice, not a sweetened drink.

• Ginger tea or ginger water — plain ginger steeped in water and fully cooled is a way to get it into a dog that refuses the spice. Make it yourself from fresh or plain powdered ginger; skip bagged teas, which are often blends.

• Pickled ginger, the pink or beige slices served with sushi — skip it. The AKC notes it contains vinegar, citric acid and excess salt, and some brands contain xylitol.

• Ginger biscuits and baked treats — beyond sugar and nutmeg, Purina warns some contain other harmful ingredients such as macadamia nuts.

• Mixed spice and savoury blends — pumpkin-spice mixes often carry nutmeg, and savoury ginger pastes often contain garlic, which the ASPCA lists among foods that can damage red blood cells. Single-ingredient only.

• Keep it a small extra — ginger adds almost no calories, but whatever you hide it in counts. Treats and extras should stay within about 10 percent of daily calories.

Dogs, Cats and Horses

Cats can have tiny amounts and mostly refuse them. Cats are more sensitive to strong aromatics and the practical yield is low. See cat safety for the wider feline picture.

Horses are given ginger in some commercial supplements for digestive and inflammatory support and for exercise recovery, with limited data behind it. Two notes if you have a competing horse. First, check the current prohibited substance lists for your governing body before feeding any supplement — rules change, and a supplement being natural has no bearing on whether it is permitted. Second, be aware that "gingering" refers to an abusive practice of applying ginger topically to make a horse carry its tail artificially high; it is banned and has nothing to do with feeding ginger as a supplement. Our equine research covers what we have studied in horses.

What to Look For When Buying

• Plain organic ginger powder or fresh rhizome, single ingredient.

• A standardised extract with stated gingerol content if you want consistency between batches.

• No added sugar, sweeteners or xylitol, and no nutmeg or mixed spice blends.

• Airtight and opaque storage. Gingerols degrade with light, heat and time, and old grey ginger powder has lost most of its activity. Same principle as our shelf life entry.

Side Effects and Cautions

The cautions here are more substantial than ginger's reputation as a kitchen spice suggests.

• It affects clotting. Ginger inhibits platelet aggregation. This is the most important caution on the page: stop ginger one to two weeks before any surgery or dental procedure, and avoid it in animals on anticoagulants, aspirin or clopidogrel, or with a bleeding disorder like von Willebrand disease. Tell your vet your dog is on it.

• NSAIDs. Ginger works on the same inflammatory pathways as carprofen, meloxicam and similar drugs, and combining them may increase the risk of gastrointestinal ulceration. Do not stack them without advice.

• Blood sugar. Ginger can lower glucose, which matters for a diabetic animal on insulin.

• Blood pressure. It has a mild lowering effect, relevant alongside antihypertensives.

• Gallbladder disease. Ginger increases bile flow and is traditionally avoided where there is gallbladder obstruction.

• Digestive irritation and heartburn at higher amounts. Ironically, too much ginger causes the nausea it is meant to settle.

• Pregnancy. Human data is reassuring at culinary amounts but high doses are avoided. We would leave it alone in a pregnant animal.

When to Talk to Your Veterinarian

Before surgery, always. Before starting it in an animal on NSAIDs, anticoagulants, insulin or blood pressure medication. And rather than reaching for ginger at all if the vomiting is repeated, contains blood, comes with lethargy or abdominal pain, or the animal cannot keep water down — persistent vomiting has causes ranging from foreign bodies to pancreatitis to kidney disease, and the useful step is a diagnosis. Our electrolytes entry covers spotting the dehydration that does the actual harm. Note also that genuine motion sickness has effective prescription options, including a licensed veterinary antiemetic, which outperform anything in the spice rack.

How It Fits With Hemp

Car travel is where these two meet most usefully, because the problem has two halves. A dog that dreads the car is often both nauseous and anxious, and the two feed each other — anxiety worsens nausea, and being sick in the car deepens the dread. Ginger addresses the nausea; owners use hemp for the anxiety. We looked at that specific situation in hemp and car travel in dogs, and the broader picture in hemp for dog anxiety.

One genuine caution in combining them: both ginger and cannabidiol can affect platelet function and both interact with drug-metabolising enzymes, so in an animal on medication or heading for surgery, disclose both. Our serving guide has hemp amounts by weight, and our calming range is the relevant collection.

Frequently Asked Questions

Can dogs eat ginger? Yes, plain fresh or powdered ginger in small amounts is safe for most dogs. Avoid gingerbread, ginger snaps and ginger ale, which contain sugar and often nutmeg, and may contain xylitol.

How much ginger for a dog with car sickness? Roughly a quarter to half a teaspoon of powdered ginger for a 50 lb dog, given about thirty minutes before travel on a light stomach.

Does ginger help dogs with arthritis? The mechanism is plausible and the magnitude is modest. It is not a replacement for a veterinary pain plan, and it should not be combined with NSAIDs without advice.

Can I give ginger before my dog's surgery? No. Stop it one to two weeks beforehand, because ginger inhibits platelet aggregation and can increase bleeding. Tell your vet.

Can cats have ginger? In very small amounts, and most cats refuse it. Cats are more sensitive to strong aromatics, so the practical benefit is limited.

Is ginger safe with my dog's pain medication? Not without veterinary advice. Ginger acts on the same inflammatory pathways as NSAIDs, and combining them may raise the risk of stomach ulceration.

For the antiemetic evidence base, see this systematic review of ginger for nausea and vomiting. For canine motion sickness and the licensed options, the American Kennel Club's veterinary team covers car sickness in dogs.

Is ginger toxic to dogs?

No. Plain ginger contains nothing toxic to dogs. The risks come from the amount, from what it is mixed with — sugar, nutmeg, xylitol, garlic — and from interactions with blood thinners, NSAIDs and diabetes medication.

Can dogs eat pickled ginger?

It is best avoided. The AKC notes pickled ginger contains vinegar, citric acid and excess salt, and some brands contain xylitol.

Can dogs be allergic to ginger?

It is uncommon, but possible. Watch for rash or itching, particularly where fresh ginger has touched the skin, and stop if you see it.

Should dogs with liver or kidney disease have ginger?

Check with your vet first. Purina advises avoiding ginger in dogs with liver or kidney disease, and those dogs are often on medications that ginger may interact with.