I have a headache
I have a headache today.
Hace tres días que tengo dolor de cabeza y no se me va.
I've had a headache for three days, and it won't go away.
No esta noche, tengo dolor de cabeza.
Not tonight, I have a headache.
Estoy cansado y tengo dolor de cabeza.
I'm tired and I have a headache.
I no longer have a headache.