Sudden, severe headaches.

突然出现剧烈的头痛。

youdao

Some lesser effects of influence are chronic body pains, headaches, sudden signs of physical aging, irritability, and restless sleep.

一些较小影响作用的是慢性身体疼痛、头痛、身体老化的意外迹象、易怒、睡不好。

youdao

But a sudden start to hard exercise can cause headaches.

VOA: special.2010.03.30

Research was carried out in the US on a small study group who complained of sudden "explosive" headaches.

BBC: Stroke 'link' to combining medicines

Disney's headaches seemed to worsen since the 1994 sudden death of its then-president, Frank Wells.

FORBES: Follow Through

Signs of a stroke include dizziness, sudden weakness or numbness, loss of speech or trouble talking, severe headaches and a reduction or loss of vision.

CNN: Study: Low cholesterol is not enough to prevent stroke