Excruciating is correct.
Excruciating is an adjective.
My toothache caused me excruciating pain.
That was an excruciating root canal.
The pain of digging out the bullet was excruciating.
She felt excruciating pain after she was hit in the head with a bat. Watching the turtle race gave me an excruciating headache.
The excruciating pain in your back was caused by a muscle strain or injury.
The verb is seldom used in the active voice. One example is:The pain in his arm continued to excruciate him whenever he moved.Much more common is to describe pain or anguish (physical or mental) using the participle "excruciating" (e.g. The pain was excruciating).
some forms of jellyfish cause excruciating pain
No, I have not experienced the excruciating pain of a horntail wasp sting.
No, I have not experienced the excruciating pain of a parasitic wasp sting.
Excruciating... "Out of the cross"... Crucifixion was so incredibly painful, they actually invented a new term for such suffering...