Hydrogen Water Boosts Pain Medication Effectiveness for Nerve Pain
- Authors
- Nuria Andrea Tort, Sylmara Esther Negrini-Ferrari, Olga Pol
- Journal
- International Journal of Molecular Sciences
- Year
- 2025
- DOI
- 10.3390/ijms262412155
- Study Type
- Mouse
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- Spain
- Health Condition
- Neuropathic Pain
- Body System
- Nervous System
TL;DR
Hydrogen-rich water improved nerve pain relief and enhanced the effects of pregabalin and a cannabinoid drug by reducing inflammation and oxidative stress in nerve tissue.
Key Finding
Hydrogen-rich water combined with cannabinoid or gabapentinoid medications produced greater pain relief in mice with neuropathic pain than either treatment alone, while also reducing oxidative stress and inflammation in nerve tissue.
Summary
Researchers tested whether hydrogen-rich water could enhance the pain-relieving effects of two medications—a cannabinoid drug and pregabalin—in mice with nerve pain caused by sciatic nerve injury. When hydrogen-rich water was combined with either medication, it produced stronger pain relief than either treatment alone, and it also reduced markers of oxidative stress (cellular damage) and inflammation in nerve tissue.
Practical Takeaway
This mouse study suggests hydrogen-rich water may enhance the effectiveness of certain pain medications, potentially allowing lower doses and fewer side effects—but this is early-stage research that has not been tested in humans. Anyone considering hydrogen water as part of pain management should consult their healthcare provider, as animal studies do not always translate to human results.
Abstract
Neuropathic pain (NP) is a complex and disabling condition that often requires long-term treatment with high doses of pharmacological agents, frequently resulting in significant adverse side effects. Therefore, safer and more effective therapeutic approaches are urgently needed. Molecular hydrogen, recognized for its antioxidant and anti-inflammatory actions, may act as a valuable adjunct to conventional analgesics. This study examined whether hydrogen-rich water (HRW) could potentiate the analgesic effects of JWH-133, a selective cannabinoid receptor type 2 agonist, and pregabalin, a gabapentinoid, in male C57BL/6 mice with NP induced by chronic constriction of the sciatic nerve. Mechanical allodynia, thermal hyperalgesia, and cold allodynia were assessed following separate or combined administration of HRW with JWH-133 or pregabalin. Western blot analyses of dorsal root ganglia measured markers of oxidative stress (4-HNE), inflammation (NLRP3), synaptic plasticity (p-ERK), and nociceptive signaling (p-AKT). Each treatment reduced pain-like behaviors in a dose-dependent manner, while co-administration of HRW with JWH-133 or pregabalin produced greater analgesic effects. Combined treatments also diminished oxidative stress, inflammation, maladaptive neural changes and nociceptive pathways activated by peripheral nerve injury. These findings suggest HRW as a promising adjuvant to cannabinoid and gabapentinoid therapies, potentially improving efficacy and reducing high-dose drug-related adverse effects.