6 Bible Verses about Demons Causing Illness

And one of the multitude answered him, Teacher, I have brought my son to you, having a dumb spirit; and wherever it takes him it convulses him, and he foams and grates his teeth, and becomes emaciated. And I spoke to your disciples to cast it out, and they could not. And he answered and said to them, O faithless and perverse generation! How long shall I be with you? How long shall I suffer you? Bring him to me.read more.
And they brought him to him. And seeing him, the spirit immediately affected him with convulsions, and he fell on the ground, and rolled about, foaming. And he asked his father, How long a time is it since this came upon him? And he said, From a little child; and it often casts him into fire, and into waters, to destroy him; but if you are able, help us, and have mercy on us. And Jesus said to him, If you are able? all things are possible to him that believes. And the father of the little child immediately crying out, said, I believe; help my unbelief. And Jesus seeing that a multitude ran together, rebuked the impure spirit, saying to him, Deaf and dumb spirit, I command you, come out of him, and enter into him no more. And crying out and affecting him with many convulsions, he went out. And he was like a dead person, so that many said, He is dead. But Jesus took him by the hand and raised him up, and he stood up.

And when they came to the multitude, a man came to him, kneeling to him and saying, Lord, have mercy on my son, for he is a lunatic, and suffers greatly. For he often falls into the fire, and often into the water. And I brought him to your disciples and they could not cure him.read more.
Jesus answered and said, O unbelieving and perverse generation! How long shall I be with you? How long shall I suffer you? Bring him here to me. And Jesus rebuked him, and the demon went out of him, and the child was cured from that hour.

And on the next day, when they came down from the mountain, a great multitude met him. And behold, a man from the multitude cried, saying, Teacher, I desire you to look upon my son, for he is my only child; and behold a spirit takes him, and suddenly cries out and convulses him, with foam and crushing him departs from him with difficulty;read more.
and I desired your disciples to cast it out, and they could not. And Jesus answered and said, O faithless and perverse generation! How long shall I be with you, and suffer you! Bring your son hither. And while he was coming, the demon tore him with spasms and convulsed him. And Jesus rebuked the impure spirit, and cured the child, and gave him back to his father.

And when they had gone away, behold, the people brought to him a man, a dumb demoniac. And the demon being cast out, the dumb spoke; and the multitudes wondered, saying, It was never so seen in Israel.

AND he cast out a demon, and it was dumb. And when the demon had gone out, the dumb spoke; and the multitudes wondered.

and behold, there was a woman who had been subject to a spirit of infirmity eighteen years, and was bent down, and was not able to lift herself up at all.