6 Bible Verses about Demons Causing Illness

And one of the company answered, and said, "Master, I have brought my son unto thee, which hath a dumb spirit. And whensoever he taketh him, he teareth him, and he foameth, and gnasheth with his teeth, and pineth away. And I spake to thy disciples that they should cast him out, and they could not." He answered him and said, "O generation without faith, how long shall I be with you? How long shall I suffer you? Bring him unto me."read more.
And they brought him unto him. And as soon as the spirit saw him, he tare him. And he fell down on the ground, wallowing and foaming. And he asked his father, "How long is it ago, since this hath happened him?" And he said, "Of a child. And often times casteth him into the fire, and also into the water, to destroy him. But if thou canst do anything, have mercy on us, and help us." And Jesus said unto him, "Yea if thou couldest believe, all things are possible to him that believeth." And straightway the father of the child cried with tears, saying, "Lord I believe, help mine unbelief." When Jesus saw that the people came running together unto him, he rebuked the foul spirit, saying unto him, "Thou dumb and deaf spirit, I charge thee come out of him, and enter no more into him." And the spirit cried, and rent him sore and came out: And he was as one that had been dead, insomuch that many said, "He is dead." But Jesus caught his hand, and lift him up, and he rose.

And when they were come to the people, there came to him a certain man; and kneeled down to him, and said, "Master have mercy on my son, for he is lunatic, and is sore vexed. And ofttimes, he falleth into the fire, and oft into the water. And I brought him to thy disciples, and they could not heal him."read more.
Jesus answered and said, "O generation faithless, and crooked: 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 came out of him: and the child was healed even that same hour.

And it chanced on the next day, as they came down from the hill, much people came and met him. And behold, a man of the company cried out, saying, "Master, I beseech thee behold my son, for he is all that I have: and see, a spirit taketh him, and suddenly he crieth, and he teareth him that he foameth again, and with much pain departeth he from him, when he hath rent him:read more.
And I have besought thy disciples to cast him out, and they could not." Jesus answered, and said, "O generation without faith, and crooked: how long shall I be with you? And shall suffer you? Bring thy son hither." As he yet was a coming, the fiend rent him, and tare him. And Jesus rebuked the unclean spirit, and healed the child, and delivered him to his father.

As they went out, behold, they brought to him a dumb man possessed of a devil. And as soon as the devil was cast out, the dumb spake. And the people marveled, saying, "It was never so seen in Israel."

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

And behold, there was a woman which had a spirit of infirmity eighteen years: and was bowed together, and could not lift up herself at all.