9 Bible Verses about Demons Causing Torment

And a woman of Canaan came out of these parts and wailed, "Have pity on me, Lord, O Son of David! My daughter is cruelly possessed by a daemon."

"Ah, sir," he said, "have pity on my son; he is an epileptic and he suffers cruelly, he often falls into the fire and often into the water.

and whenever it seizes him it throws him down, and he foams at the mouth and grinds his teeth. He is wasting away with it; so I told your disciples to cast it out, but they could not." He answered them, "O faithless generation, how long must I still be with you? how long have I to bear with you? Bring him to me." So they brought the boy to him, and when the spirit saw Jesus it at once convulsed the boy; he fell on the ground and rolled about, foaming at the mouth.

and a spirit gets hold of him till he suddenly shrieks; it convulses him till he foams; indeed it will hardly leave off tearing him to pieces. I begged your disciples to cast it out, but they could not." Jesus answered, "O faithless and perverse generation, how long must I still be with you and bear with you? Fetch your son here."read more.
Before the boy could reach Jesus, the daemon dashed him down and convulsed him, but Jesus checked the unclean spirit, cured the boy, and handed him back to his father.

All night and day among the tombs and the hills he shrieked and gashed himself with stones.

Those who were annoyed with unclean spirits also were healed.

there was a woman who for eighteen years had suffered weakness from an evil spirit; indeed she was bent double and quite unable to raise herself.

Crowds gathered even from the towns round Jerusalem, bringing invalids and people troubled with unclean spirits, all of whom were healed.

And the man in whom the evil spirit resided leapt at them, overpowered them all, and belaboured them, till they rushed out of the house stripped and wounded.