American College of Physicians Issues New Guidance on Cannabis for Chronic Pain

The ACP advises clinicians to discuss cannabis benefits and harms with chronic pain patients, while warning against use in youth, pregnant patients, those with substance use disorders, and recommending against inhaled forms.

Kansagara, Devan et al.·Annals of internal medicine·2025·ModerateClinical Guideline
RTHC-06792Clinical GuidelineModerate2025RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Clinical Guideline
Evidence
Moderate
Sample
Not reported

What This Study Found

The ACP developed best practice advice based on systematic reviews, recommending clinicians counsel patients about cannabis for chronic noncancer pain while identifying specific subgroups where harms likely outweigh benefits: young adults and adolescents, patients with substance use disorders, those with serious mental illness, and frail patients at risk for falls.

Key Numbers

The guidance identifies four subgroups where harms likely outweigh benefits and advises against inhaled cannabis across all patient groups.

How They Did This

Clinical guidance developed by the ACP Population Health and Medical Science Committee based on living systematic reviews and primary studies on cannabis and cannabinoid treatments for chronic noncancer pain.

Why This Research Matters

This represents one of the first major U.S. medical society guidelines specifically addressing cannabis for chronic pain. Rather than a blanket endorsement or rejection, it takes a nuanced position that acknowledges potential benefits while drawing clear lines around higher-risk populations.

The Bigger Picture

As cannabis legalization expands, clinicians increasingly face questions about its role in pain management. Having guidance from a major medical society gives practitioners a framework for these conversations rather than relying on anecdotal evidence or patient self-direction.

What This Study Doesn't Tell Us

Best practice advice is based on available evidence, which remains limited in quality and quantity. The guidance acknowledges uncertainty in many areas and relies on systematic reviews that may not capture the full range of cannabis products and formulations patients actually use.

Questions This Raises

  • ?How will this guidance affect prescribing patterns in states with legal cannabis?
  • ?What specific cannabis formulations and doses show the most favorable risk-benefit profiles for chronic pain?

Trust & Context

Key Stat:
Advises against inhaled cannabis for all chronic pain patients
Evidence Grade:
Clinical guidance from a major medical society based on systematic review evidence, though underlying studies are often limited in quality.
Study Age:
2025 guidance reflecting current evidence base
Original Title:
Cannabis or Cannabinoids for the Management of Chronic Noncancer Pain: Best Practice Advice From the American College of Physicians.
Published In:
Annals of internal medicine, 178(5), 714-724 (2025)
Database ID:
RTHC-06792

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study
What do these levels mean? →

Frequently Asked Questions

What does the ACP recommend about cannabis for chronic pain?

The ACP advises clinicians to discuss benefits and harms with patients, while warning against use in youth, pregnant patients, those with substance use disorders or serious mental illness, and frail patients. They also recommend against inhaled cannabis for all pain patients.

Who should avoid using cannabis for chronic pain according to this guidance?

The ACP identifies four higher-risk groups: young adults and adolescents, patients with current or past substance use disorder, patients with serious mental illness, and frail patients or those at risk for falling. They also advise against use in pregnant or breastfeeding patients.

Read More on RethinkTHC

Cite This Study

RTHC-06792·https://rethinkthc.com/research/RTHC-06792

APA

Kansagara, Devan; Hill, Kevin P; Yost, Jennifer; Humphrey, Linda L; Shaw, Beth; Obley, Adam J; Haeme, Ray; Akl, Elie A; Qaseem, Amir; Dunn, Andrew S; Jackson, Christopher D; Jokela, Janet A; Lee, Rachael A; Mackey, Katherine; Saini, Sameer D; Tschanz, Mark P; Wilt, Timothy J; Etxeandia-Ikobaltzeta, Itziar; Shamliyan, Tatyana; Vigna, Chelsea. (2025). Cannabis or Cannabinoids for the Management of Chronic Noncancer Pain: Best Practice Advice From the American College of Physicians.. Annals of internal medicine, 178(5), 714-724. https://doi.org/10.7326/ANNALS-24-03319

MLA

Kansagara, Devan, et al. "Cannabis or Cannabinoids for the Management of Chronic Noncancer Pain: Best Practice Advice From the American College of Physicians.." Annals of internal medicine, 2025. https://doi.org/10.7326/ANNALS-24-03319

RethinkTHC

RethinkTHC Research Database. "Cannabis or Cannabinoids for the Management of Chronic Nonca..." RTHC-06792. Retrieved from https://rethinkthc.com/research/kansagara-2025-cannabis-or-cannabinoids-for

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.