What happens when a teacup pig's mouth starts foaming?

Foaming at the mouth in a teacup pig can indicate several issues, including stress, excitement, or more concerning health problems such as poisoning, seizures, or oral infections. It's essential to monitor the pig for additional symptoms, such as lethargy, loss of appetite, or behavioral changes. If foaming persists or is accompanied by other concerning signs, a veterinarian should be consulted promptly for evaluation and treatment.