Hydrogen Therapy Prevents Morphine Tolerance in Pain Management Study

Authors
Journal
Neuroscience Letters
Year
DOI
10.1016/j.neulet.2021.135847
Study Type
Rat
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Morphine Tolerance
Body System
Nervous System

TL;DR

Pretreating rats with hydrogen-rich saline reduced their tolerance to morphine by decreasing inflammation and changes in the brain's communication system.

Key Finding

Hydrogen-enriched saline prevented morphine tolerance in rats by reducing inflammation and blocking harmful changes in pain-processing proteins in the spinal cord.

Summary

Researchers gave rats morphine to create tolerance (a condition where the drug becomes less effective over time), then treated some rats with hydrogen-enriched saline before each morphine dose. Hydrogen-enriched saline reduced morphine tolerance and decreased inflammation and damage in the spinal cord that normally occurs with repeated morphine use. The effect was stronger at higher doses of hydrogen-enriched saline.

Practical Takeaway

This rat study suggests hydrogen may help prevent morphine tolerance by reducing spinal cord inflammation, but it is early-stage animal research only. Human studies would be needed to determine if this approach could help people taking opioid pain medications long-term.

Abstract (excerpt)

The development and maintenance of morphine tolerance showed association with neuroinflammation and dysfunction of central glutamatergic system (such as nitration of glutamate transporter). Recent evidence indicated that hydrogen could reduce the levels of neuroinflammation and oxidative stress…

Read the full abstract via DOI