photo: Karl Sullivan on Flickr
People love rhubarb in pies, but in enough quantity it can be toxic to dogs. It's rare for dogs to consume large amounts of the plant, but it's worth checking with your vet if your dog wolfs some down.
Why It Can Be Bad For Dogs:
Rhubarb contains oxalate crystals that tend to bind with the body's calcium, causing a sudden, potentially dangerous drop in calcium levels. Symptoms may include drooling, loss of appetite, vomiting, diarrhea, lethargy, weakness, tremors, and even bloody urine!
What to do:
If you see any of the listed symptoms after your dog has consumed rhubarb, or if you suspect your dog has eaten lots of the plant, consult a vet for advice and treatment.