His head injury causes dizziness and nausea.

他头部受伤引起眩晕和呕吐。

《柯林斯英汉双解大词典》

Has not dizziness numbed your head?

晕眩不是弄得你头昏脑胀吗？

youdao

In addition, children with mouth breathing, long nose stuffy, easy cause head ischemia, lack of oxygen, appear listlessness, headache, dizziness, memory loss, slow to respond to wait for a phenomenon.

另外，患儿长期用口呼吸、鼻子不通气，易造成头部缺血、缺氧，出现精神萎靡、头痛、头晕、记忆力下降、反应迟钝等现象。

youdao

Four people were taken to Providence Hospital in Washington, including two with back injuries, one with a hip injury and one complaining of dizziness from hitting her head, hospital officials said.

CNN: Six killed in Washington-area Metro train collision