"High levels of adrenaline causes the muscles to twitch uncontrollably ... virus causes initial symptoms like sneezing or coughing, but if it spreads to your dog's nervous system, it can cause ...

This can lead to twitching, balance issues ... senior dogs can show signs of what’s known as “old dog distemper,” which ...

Respiratory symptoms can get serious really ... which has led to involuntary muscle movements, twitching, or even full-body tremors. Seizures in dogs are terrifying to witness.