Is goat weed toxic to horses?

Yes, goat weed (Eupatorium rugosum) is toxic to horses. It contains tremetol, a toxin that can cause liver damage, kidney damage, and nervous system problems. Signs of goat weed poisoning include:

- Liver damage: jaundice (yellow skin and eyes), lethargy, weight loss, and weakness.

- Kidney damage: excessive thirst and urination, dark urine, and kidney stones.

- Nervous system problems: tremors, seizures, and death.

If you think your horse has been poisoned by goat weed, contact your veterinarian immediately. Treatment will depend on the severity of the poisoning and may include supportive care, such as fluids and electrolytes, as well as specific treatments for liver and kidney damage.

Goat weed is a common plant in the Eastern United States and can be found in pastures, fields, and along roadsides. It is important to be aware of the potential toxicity of this plant and to take steps to prevent your horse from ingesting it.