Why is rhubarb toxic to dogs and cats?

Rhubarb is toxic because it contains soluble calcium oxalate crystals. When ingested, these crystals can cause a sudden drop in calcium levels, lead to the formation of calcium oxalate stones in the kidneys, and potentially cause acute kidney failure in pets.

What are the symptoms of rhubarb poisoning in dogs?

Common symptoms of rhubarb poisoning include hypersalivation (drooling), loss of appetite, vomiting, diarrhea, lethargy, tremors, and bloody urine. If you suspect your pet has eaten rhubarb, especially the leaves, contact your veterinarian immediately.

Why Rhubarb is Toxic

Toxic (Leaves)

Rhubarb leaves contain soluble oxalate crystals which can cause sudden kidney failure and tremors in pets.