I have a fever.

She had a fevered brow.

I couldn't control my buck fever when the prey approached.

My sister had scarlet fever when she was a child.

I've had hay fever since I was a child.

I run a fever whenever I catch a cold.

I have a fever blister on my lip.

She has a high fever.

The excitement reached a fever pitch as the team scored the winning goal.

She developed rose fever after spending time in the garden.