Symptoms of iceberg lettuce poisoning in guinea pigs can include:
* Lethargy
* Loss of appetite
* Diarrhea
* Vomiting
* Abdominal pain
* Jaundice
* Kidney failure
* Liver failure
If you think your guinea pig has eaten iceberg lettuce, 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 medication to treat any complications.