Exorcism
In Catholic Christianity, exorcisms are performed in the name of Jesus Christ. A distinction is made between a formal exorcism, which can only be conducted by a priest during a baptism or with the permission of a bishop, and "prayers of deliverance" which can be said by anyone.
The Catholic rite for a formal exorcism, called a "Major Exorcism", is given in Section 11 of the Rituale Romanum. The Ritual lists guidelines for conducting an exorcism, and for determining when a formal exorcism is required. Priests are instructed to carefully determine that the nature of the affliction is not actually a psychological or physical illness before proceeding.
Exorcism in Christianity
After these determinations have been made, the Church recommends experienced physicians to determine whether there is a medical explanation for the behaviour of the individual. When a true possession is recognized, the poor one is to be committed to the care of a minister of the Church who teaches sound doctrine, is of a blameless life, who does nothing for the sake of filthy lucre, but does everything from the soul. The pastor is then to diligently inquire what kind of life the possessed one led up to this point and lead him or her through the law to the recognition of his sins. After this admonition or consolation has taken place, the works of a natural physician are to be used, who will cleanse the possessed one from malicious fluids with the appropriate medicines. The Pastoral Handbook then states:
Many Mennonite colleges and seminaries include training for the ministry of exorcism. The Mennonite minister and exorcist Dean Hochstetler states that powwowing, a practice done by some in the Pennsylvania Dutch community, "brings people under bondage to Satan." On 30 July to 1 August 1987, the "Associated Mennonite Biblical Seminaries, Mennonite Board of Missions (MC) and the Indiana-Michigan Mennonite Conference (MC) sponsored a consultation on 'Bondage and Deliverance'."