Is an ibuprofen safe for Dogs?
✓ Sources checked by the Eaoae Safety Review · 2026-10-28 · Based on 3 sources
No, ibuprofen is not safe for dogs. It is highly toxic and can cause severe gastrointestinal bleeding, kidney failure, and liver damage. Even a single pill can be dangerous depending on the dog's size. Do not give it to your pet.
🚨 Emergency: Yes — contact your veterinarian immediately.
💡 Why
Ibuprofen inhibits cyclooxygenase enzymes, reducing prostaglandin production which protects the stomach lining and regulates kidney blood flow. Dogs metabolize it slowly, leading to high blood concentrations. This results in gastric ulcers, perforation, and acute kidney injury. There is no safe dose for dogs.
🩺 What to do
- Call your veterinarian or an animal poison control center immediately.
- Do not induce vomiting unless explicitly instructed by a professional.
- Bring the medication packaging to the vet to confirm the dosage and ingredients.
❓ Common questions
Can I give half a pill to a small dog?
No. There is no safe dose of ibuprofen for dogs. Even small amounts can cause serious internal damage.
What are the early signs of ibuprofen poisoning?
Vomiting, loss of appetite, lethargy, and black or tarry stools indicating internal bleeding. Symptoms may appear within hours or days.
Is ibuprofen safer than acetaminophen for dogs?
No. Both are toxic to dogs. Acetaminophen causes liver damage, while ibuprofen causes stomach and kidney damage. Neither should be used.
📚 Sources
- PetMD: Ibuprofen Toxicity in Dogs
- PetMD: NSAID Toxicity in Dogs
- Ibuprofen Poisoning in Dogs
- Pet Poison Helpline: Ibuprofen
🔎 How the sources compare
What each authority says about ibuprofen \u2014 compiled 2026-10-28. Eaoae’s verdict summarizes these sources; it is not our own diagnosis.
| Source | Dogs | Cats | Dose info |
|---|---|---|---|
| ASPCA Animal Poison Control | Ibuprofen can cause mild stomach upset at any dose for dogs when ingested. At higher doses, there is a risk for ulcers in the stomach or intestines and acute kidney injury; with large overdoses, signs like depression, difficulty walking and coma can also be seen. | Ibuprofen can cause mild stomach upset at any dose for cats when ingested. At higher doses, there is a risk for ulcers in the stomach or intestines and acute kidney injury; with large overdoses, signs like depression, difficulty walking and coma can also be seen. | — |
| Pet Poison Helpline | Ibuprofen is an NSAID, and NSAIDs top PPH's list of human medications poisonous to pets: while safe for people, even one or two pills can cause serious harm to a pet, and dogs may develop significant stomach and intestinal ulcers as well as kidney failure. | Ibuprofen is an NSAID, and NSAIDs top PPH's list of human medications poisonous to pets: even one or two pills can cause serious harm, and cats may develop significant stomach and intestinal ulcers as well as kidney failure. | Even one or two pills can cause serious harm (no mg/kg figure given) |
| Merck Veterinary Manual | Ibuprofen is no longer recommended in dogs because it commonly causes gastric ulcers and perforation. Acute single doses of 100-125 mg/kg cause vomiting, diarrhea, nausea, abdominal pain and anorexia; renal failure occurs at 175-300 mg/kg, CNS effects above 400 mg/kg, and doses above 600 mg/kg are potentially lethal. | Cats are susceptible to ibuprofen toxicosis at approximately half the dose that affects dogs. | Dogs: gastric ulceration after 8-16 mg/kg/day for 30 days; acute GI signs at 100-125 mg/kg; renal failure at 175-300 mg/kg; CNS effects above 400 mg/kg; potentially lethal above 600 mg/kg. Cats: susceptible at about half the dog dose |
| VCA Hospitals | Despite its relative safety in humans, ibuprofen and other NSAIDs can be extremely harmful in dogs, and small doses can cause adverse effects and poisoning. Lower doses cause gastrointestinal irritation and ulceration signs; higher doses can result in liver, kidney, and neurological damage. | In VCA's toxic hazards guide for cats, ibuprofen is named among the human NSAIDs described as some of the deadliest medications for cats because of cats' decreased ability to metabolize them; in toxic doses they can result in kidney failure and stomach ulcers. | — |
| Eaoae summary (dogs) | ⛔ Unsafe \u2014 Known to be harmful or toxic. Keep it away from your pet. | ||
🔗 Related checks for dogs
- Lilies ⚠️ Caution
- Sweet Potato ✅ Safe
- macadamia nuts ⛔ Unsafe
- chocolate ⛔ Unsafe
- alcohol ⛔ Unsafe
- carrot ✅ Safe
Checked with Eaoae’s safety lookup. Answers are generated for reference and may be incomplete — always confirm with your vet for your individual pet. Spotted an error? Let us know.
