"Heal the sick!" The Church has received this charge from the Lord and strives to carry it out by taking care of the sick as well as by accompanying them with her prayer of intercession. She believes in the life-giving presence of Christ, the physician of souls and bodies.
The apostolic Church has its own rite for the sick, attested to by St. James: "Is any among you sick? Let him call for the elders [presbyters] of the Church and let them pray over him, anointing him with oil in the name of the Lord; and the prayer of faith will save the sick man, and the Lord will raise him up; and if he has committed sins, he will be forgiven." Tradition has recognized in this rite one of the seven sacraments.
The Church believes and confesses that among the seven sacraments there is one especially intended to strengthen those who are being tried by illness, the Anointing of the Sick:
Catechism of the Catholic Church
Contact your parish church for more information on preparation and celebrating the sacrament