He complained of a headache.

他说他头疼。

《柯林斯英汉双解大词典》

A patient who has been taking such a drug may risk bleeding if he or she uses aspirin for a headache.

如果患者服用了该药，又服用阿司匹林治头痛，就可能有出血的风险。

youdao

He had a cough and a headache.

他咳嗽而且头疼。

youdao

He has a pounding sinus headache that he needs to get rid of so he can return to his job as a logistics manager at his dad's chemical company.

FORBES: Paper? Plastic? Penicillin?

If he comes up with a convincing agenda, he might just give Mr Blair a real headache.

ECONOMIST: Devolution

King was invited to speak at the Mason Temple church, but he still suffered from a migraine headache.

CNN: For Dr. King, everybody in and nobody out