彼はてんかんの発作を起こした。
He had an epileptic seizure.
An asthma attack came on in the middle of the night.
He suddenly had a seizure in the middle of the night.
He had an asthma attack and was taken to the hospital.
Taking the medicine allowed him to control the attack.
My grandfather was suddenly struck by a heart attack.
asthma attack; asthma exacerbation