Research Summary: Reiki as an Integrative and Complementary Treatment to Veterinary Medicine
Reiki is a non-invasive, biofield therapy that uses "universal life energy" (Rei-Ki) to promote relaxation and pain relief. It can be offered in person or remotely. While veterinary research on the efficacy of Reiki with animals is emerging, current studies suggest it is a viable adjunctive treatment (used alongside conventional medicine) that significantly reduces physiological stress and pain and enhances quality of life in diverse species.
Physiological Markers of Stress
The Rat Model: A 2008 Baldwin study found that Reiki significantly reduced heart rate and microvascular damage in lab rats exposed to loud noise stress.
Equine Research: A 2021 study in the Journal of Equine Veterinary Science that observed significant reductions in heart rate and visible stress behaviors in horses following Reiki sessions.
Mechanism: Explain that these effects are attributed to the activation of the parasympathetic nervous system, shifting the animal from a "fight or flight" state to a "rest and digest" state. [1, 2, 3, 4, 5, 6, 7, 8, 9]
Clinical Applications and Synthesis
Pain Management & Clinical Recovery
Canine Pain Study: A randomized, placebo-controlled trial published in the Journal of the American Holistic Veterinary Medical Association (AHVMA) where dogs receiving distant Reiki showed significant pain reduction after three to six sessions.
Adjunctive Use: Reiki is used to support post-surgical recovery, chronic conditions like osteoarthritis, and palliative care for geriatric animals.
Behavioral & Shelter Benefits
There are non-contact benefits for fearful or aggressive animals in shelters. Reducing cortisol and anxiety can make shelter animals more "adoptable" by allowing their true personalities to surface.
The "Caregiver Placebo" Challenge
Because animals cannot report their feelings, skeptics often attribute results to the owner's expectations.
Summary
Despite the need for larger-scale trials, Reiki’s low-risk, non-invasive nature makes it an ideal "low-stress" tool for modern integrative veterinary practice. [8, 10, 11, 12, 13, 14, 15, 16].
Citations
[1] [https://www.researchgate.net](https://www.researchgate.net/publication/394843044_The_Use_of_Reiki_in_Companion_Animal_Care_A_Review_of_Its_Applications_in_Dogs_and_Cats)
[2] [https://uniquescientificpublishers.com](https://uniquescientificpublishers.com/wp-content/uploads/2024/non-conventional-therapies/190-198.pdf)
[3] [https://ivcjournal.com](https://ivcjournal.com/introduction-to-reiki/)
[4] [https://pmc.ncbi.nlm.nih.gov](https://pmc.ncbi.nlm.nih.gov/articles/PMC5871310/)
[5] [https://pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/16494564/)
[6] [https://holisticpetcarenj.com](https://holisticpetcarenj.com/blog/the-healing-power-of-touch-therapies-the-benefits-of-reiki-and-massage-for-pets/)
[7] [https://holisticpetcarenj.com](https://holisticpetcarenj.com/blog/the-healing-power-of-touch-therapies-the-benefits-of-reiki-and-massage-for-pets/)
[8] [https://www.researchgate.net](https://www.researchgate.net/publication/394843044_The_Use_of_Reiki_in_Companion_Animal_Care_A_Review_of_Its_Applications_in_Dogs_and_Cats)
[9] [https://www.psychologytoday.com](https://www.psychologytoday.com/us/blog/animal-emotions/201902/reiki-animals-the-power-peace-heal#:~:text=Physiologically%2C%20Reiki%20has%20been%20shown%20to%20be,stress%20to%20prove%20you%20can%20reduce%20stress%29.)
[10] [https://www.ahvma.org](https://www.ahvma.org/journal/wagb9632/)
[11] [https://www.ahvma.org](https://www.ahvma.org/wp-content/uploads/Vol-78-Distance-Reiki.pdf)
[12] [https://www.fimek.edu.rs](https://www.fimek.edu.rs/downloads/casopisi/jatem/issue/v8_4/5_%285%29_2025_8%284%29_1659_1672_10_55817_ZODW6643.pdf)
[13] [https://www.researchgate.net](https://www.researchgate.net/publication/394843044_The_Use_of_Reiki_in_Companion_Animal_Care_A_Review_of_Its_Applications_in_Dogs_and_Cats)
[14] [https://animalwellnessmagazine.com](https://animalwellnessmagazine.com/how-reiki-helps-heal-shelter-animals/)
[15] [https://animalwellnessmagazine.com](https://animalwellnessmagazine.com/4-ways-reiki-can-help-shelter-animals/)
[16] [https://www.fimek.edu.rs](https://www.fimek.edu.rs/downloads/casopisi/jatem/issue/v8_4/5_%285%29_2025_8%284%29_1659_1672_10_55817_ZODW6643.pdf)
[17] [https://www.barkandwhiskers.com](https://www.barkandwhiskers.com/content/files/2025/09/could-reiki-help-your-pet-feel-better.pdf)
[18] [https://www.researchgate.net](https://www.researchgate.net/publication/394843044_The_Use_of_Reiki_in_Companion_Animal_Care_A_Review_of_Its_Applications_in_Dogs_and_Cats)