a sudden uncontrollable attack
violent uncontrollable contractions of muscles
a violent disturbance
a physical disturbance such as an earthquake or upheaval
- The child went into convulsions.
- Reactions range from abdominal pain and vomiting to convulsions and death.
- The family also said, I should say, the family says he also had Kawasaki disease which is a heart condition that researchers believe can lead to convulsions and seizures.