Can cannabis help people reduce their opioid use for pain?

A growing body of research suggests cannabis may help some pain patients reduce opioid use, though significant challenges remain in standardizing cannabis as a therapeutic option.

Khan, Sara P et al.·Pain management·2019·Moderate EvidenceNarrative Review
RTHC-02104Narrative ReviewModerate Evidence2019RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Narrative Review
Evidence
Moderate Evidence
Sample
Not reported

What This Study Found

The review found evidence from preclinical, clinical, and epidemiological studies suggesting cannabis can complement or partially substitute for opioids in pain management, with some studies showing reduced opioid prescriptions in states with medical cannabis laws.

Key Numbers

The review references ecological studies showing states with medical cannabis laws had 24.8% lower mean opioid overdose mortality rates compared to states without such laws.

How They Did This

Narrative review examining preclinical data, clinical studies, and population-level research on cannabis-opioid interactions for pain management.

Why This Research Matters

The opioid crisis has driven urgent interest in alternatives. If cannabis can safely reduce opioid dependence for pain patients, it could save lives, but clinicians need clear evidence to guide recommendations.

The Bigger Picture

Cannabis as an opioid substitute sits at the intersection of two major public health issues. The pharmacological rationale is supported by overlapping pain pathways, but translating population-level associations into individual clinical guidance remains a challenge.

What This Study Doesn't Tell Us

Narrative review without systematic methodology. Many of the underlying studies are observational or ecological, making causal claims difficult. Cannabis preparation, dosing, and route of administration vary widely across studies.

Questions This Raises

  • ?What specific cannabis formulations and doses are most effective for opioid-sparing effects?
  • ?Do the population-level opioid reduction trends hold up with more recent data and legal changes?

Trust & Context

Key Stat:
24.8% lower opioid overdose mortality
Evidence Grade:
Moderate: narrative review drawing on multiple study types, but lacking systematic methodology.
Study Age:
Published in 2019.
Original Title:
Perspectives on cannabis as a substitute for opioid analgesics.
Published In:
Pain management, 9(2), 191-203 (2019)
Database ID:
RTHC-02104

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Summarizes existing research without a strict systematic method.

What do these levels mean? →

Frequently Asked Questions

Can cannabis replace opioids for pain?

Some evidence suggests cannabis can help reduce opioid use in pain patients, but it is unlikely to fully replace opioids for all types of pain.

What are the main challenges of using cannabis for pain?

Lack of standardized dosing, variable product quality, limited clinical trial data, and regulatory barriers all complicate its use as a pain treatment.

Read More on RethinkTHC

Cite This Study

RTHC-02104·https://rethinkthc.com/research/RTHC-02104

APA

Khan, Sara P; Pickens, Thomas A; Berlau, Daniel J. (2019). Perspectives on cannabis as a substitute for opioid analgesics.. Pain management, 9(2), 191-203. https://doi.org/10.2217/pmt-2018-0051

MLA

Khan, Sara P, et al. "Perspectives on cannabis as a substitute for opioid analgesics.." Pain management, 2019. https://doi.org/10.2217/pmt-2018-0051

RethinkTHC

RethinkTHC Research Database. "Perspectives on cannabis as a substitute for opioid analgesi..." RTHC-02104. Retrieved from https://rethinkthc.com/research/khan-2019-perspectives-on-cannabis-as

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.