cluster headache

Noun

(pathology) An extremely painful, cyclical and unilateral headache.

Japanese Meaning

極度に痛みを伴い、周期的に発症する片側性の頭痛

After years of misdiagnoses, she finally received treatment that significantly reduced the frequency of her cluster headache.

長年の誤診の末、彼女はようやく治療を受け、群発頭痛の発作の頻度が大幅に減少した。

Sense（1）

(pathology) An extremely painful, cyclical and unilateral headache.

cluster headaches

（ plural ）