Can low thyroid levels cause grandmal seizure?

Typically not. Low thyroid typically causes one to slow down, gain weight, have memory problems, and a number of other symptoms... But not typically seizures.

Related Questions

What are the symptoms of severely extremely low thyroid to almost not working and can it cause seizures if too low?

Thy. Rare for seizures to be associated with low thyroid function. Usually in severe high function or inflammation of brain associated with it. Extreme fatigue, low metabolism for sure. Read more...