6 Bible Verses about Demons Causing Illness

Master, I have brought to thee my son, who hath a dumb spirit. And wheresoever he taketh him, he teareth him, and he foameth and gnasheth with his teeth and pineth away. And I spake to thy disciples to cast him out, and they could not. He answereth them and saith, O faithless generation, how long shall I be with you?read more.
How long shall I suffer you? Bring him to me. And they brought him to him. And when he saw him, immediately the spirit tore him, and he fell on the ground, and wallowed foaming. And he asked his father, How long is it since this came to him? And he said, From a little child. And it hath often cast him both into the fire and into the water to destroy him; but if thou canst do any thing, have compassion on us and help us. Jesus saith to him, If thou canst believe, all things are possible to him that believeth. And straightway the father of the child crying out, said with tears, Lord, I do believe: help thou mine unbelief. And Jesus seeing that the multitude came running together, rebuked the unclean spirit, saying, Thou deaf and dumb spirit, I command thee, come out of him, and enter no more into him. And having cried and rent him sore, he came out; and he was as dead, so that many said, He is dead. But Jesus taking him by the hand, lifted him up, and he arose.

And when they were come to the multitude, there came to him a certain man, kneeling down to him, and saying, Lord, have mercy on my son, for he is lunatic, and suffereth grievously; for often he falleth into the fire and often into the water. And I brought him to thy disciples, but they could not cure him.read more.
Then Jesus answering said, O unbelieving and perverse generation, how long shall I be with you? How long shall I suffer you? Bring him hither to me. And Jesus rebuked the devil, and he went out of him, and the child was cured from that hour.

And the next day, as they came down from the mountain, a great multitude met him. And behold a man from the croud, cried aloud saying, Master, I beseech thee, look upon my son; for he is my only child. And lo, a spirit taketh him, and he suddenly crieth out, and it teareth him, that he foameth, and bruising him, hardly departeth from him.read more.
And I besought thy disciples to cast him out, and they could not. And Jesus answering said, O faithless and perverse generation, how long shall I be with you? How long shall I suffer you? Bring thy son hither. And as he was yet coming, the devil threw him down and tore him: and Jesus rebuked the unclean spirit, and healed the child, and delivered him again to his father.

As they were going out, behold men brought a dumb demoniac to him. And when the devil were cast out, the dumb spake: and the multitudes marvelled, saying, It was never seen thus, even in Israel.

And he was casting out a devil, and it was dumb: and when the devil was gone out, the dumb spake, and the people wondered.

And behold, there was a woman who had had a spirit of infirmity eighteen years, and was bowed together and utterly unable to lift up herself.