What makes it harmful
ibuprofen (an NSAID) — damages the stomach lining and kidneys
How much is dangerous
By Merck Veterinary Manual: GI signs (vomiting, ulcers, belly pain) start at ~50–100 mg/kg; acute kidney failure at 175–300 mg/kg. Even half of one 200 mg pill can cause signs in a 25 lb dog. There is no safe home dose for dogs.
Symptoms to watch for
Mild / early
- • Vomiting (possibly with blood)
- • Diarrhea
- • Loss of appetite
- • Abdominal pain
Severe — vet urgently
- • Black/tarry stools (GI bleeding)
- • Kidney failure (little urination, lethargy)
- • Seizures
- • Death
What to do if eaten
Treat as an emergency — call a vet or poison control immediately if any is swallowed, even a small amount. Don’t wait for vomiting to start; bring the packaging so the dose can be worked out.
Frequently asked questions
- Can dogs eat ibuprofen?
- Dangerous — common human painkiller that poisons dogs. Never give Advil/Motrin to a dog. By Merck Veterinary Manual: GI signs (vomiting, ulcers, belly pain) start at ~50–100 mg/kg; acute kidney failure at 175–300 mg/kg. Even half of one 200 mg pill can cause signs in a 25 lb dog. There is no safe home dose for dogs.
- What happens if a dog eats ibuprofen?
- Symptoms can include vomiting (possibly with blood), diarrhea, loss of appetite, abdominal pain, black/tarry stools (gi bleeding), and more. Severity depends on the amount and your dog’s size.
- What should I do if my dog ate ibuprofen?
- Treat as an emergency — call a vet or poison control immediately if any is swallowed, even a small amount. Don’t wait for vomiting to start; bring the packaging so the dose can be worked out.
Sources: Merck Veterinary Manual · Pet Poison Helpline · ASPCA Animal Poison Control.
⚠️ For general guidance, not veterinary advice. Toxicity depends on your dog’s size, the amount eaten, and individual sensitivity. Always confirm with your vet for health decisions.