There is a book called The Healing Codes that has a prayer for healing I use often and want to share. The authors ask to share the info freely.
“I pray that all known and unknown negative images, unhealthy beliefs, destructive cellular memories, and all physical issues related to ____________ would be found, opened and healed by filling me with the light, life and love of God. I also pray that the effectiveness of this healing be increased by 100 times or more.”The Healing Codes
More info here