598376c7_bstances__The_Good_and_the_Bad__Food_or_Substance
[Danger Level] Toxic! [Description] Naproxen can cause severe symptoms in dogs, including vomiting blood, diarrhea, and abdominal pain. Specifically, naproxen can cause ulcers in the stomach, which can perforate. If you suspect your dog has ingested naproxen take your dog to the vet immediately! [Food or Substance] 
Naproxen (Aleve)
Dangerous Foods-Toxic Substances: The Good and the Bad
Food or Substance