Womenz Magazine

New way to treat chronic pain without opioids

In a new study, researchers found that a low dose of a drug called naltrexone is a good option for patients with chronic pain, without the risk of addiction.

The research was conducted by a team from the University of Michigan School of Dentistry.

Chronic pain affects up to 40% of Americans, and treating it frustrates both clinicians and patients––a frustration that’s often compounded by hesitation to prescribe opioids for pain.

Naltrexone is a semisynthetic opioid first developed in 1963 as an oral alternative to naloxone, the nasal spray used to reverse opioid drug overdoses.

When prescribed at doses of 50 to 100 milligrams, naltrexone blocks the effects of alcohol and opioids.

Low-dose naltrexone has been used off-label for years to treat chronic pain.

In the study, the team did a systematic review of the literature to determine if the drug is indeed a good option for patients and deserving of more formal study.

They found a reduction in pain intensity and improvement in the quality of life, and a reduction in opioid use for patients with chronic pain.

The researchers say that low doses of naltrexone (0.1-4.5 mg) works by acting on a unique cellular pathway in the nervous system through which it delivers chronic pain relief without opioids.

If patients are working with a physician to treat pain, it’s appropriate for them to raise the topic of low-dose naltrexone as a possible alternative.

Chronic pain is pain that persists for several months, or after the initial injury or trauma has healed, and the way clinicians and scientists think about chronic pain is changing.

It’s now thought that some chronic pain has more to do with how the body reports pain to the brain than the actual injury.

This concept of the nervous system being sensitized is promoted by cells called glial cells.

Low-dose naltrexone targets these cells that keep the nervous system sensitized, thereby reducing the pain threshold and the sensitivity of the nervous system over time.

Traditional pain management has focused on treating the injury or trauma site, but low-dose naltrexone works on the overactive nervous system.

The team says low-dose naltrexone begins to address the cause of pain and not just mask it, which allows scientists to better target diseases causing chronic pain, as well as potentially consider pain control outside of opioid use.

It is best used on centralized pain disorders, conditions where the nervous system is in that hyperexcited state.

Those conditions include myalgia, complex regional pain syndrome and temporomandibular joint disorders, commonly called TMJ, among others.

Low-dose naltrexone is inexpensive and has few side effects. However, it’s not an option for people who use alcohol or opioids regularly.

One author of the study is Elizabeth Hatfield, a clinical lecturer in the Department of Oral and Maxillofacial Surgery and Hospital Dentistry.

The study is published in the Journal of the American Dental Association.

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