headache
Refers to physical head pain. Also used metaphorically for a source of worry or trouble, similar to English 'headache'.
I've had a terrible headache since yesterday.
This problem is a major headache for the company.
I've had a headache since this morning.
I feel a headache from lack of sleep.
My headache is so bad today that I can't focus on work.
Bright light can sometimes cause a headache.
tension headache; tension-type headache
cluster headache