# Do Cannabis Users Require More Anesthesia During Third Molar Removal Under Intravenous General Anesthesia When Compared to Nonusers? > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/cannabis-anesthesia-requirements-oral-surgery-propofol-dosing/ > **Published:** 2026-04-28T23:02:51-04:00 | **Last Modified / Clinically Audited:** 2026-09-29T00:31:49-04:00 > **Clinical Summary:** New research shows cannabis users with regular use patterns require higher propofol doses during third molar surgery. Learn about anesthesia tolerance effects. --- CED Clinical Relevance  #56Monitored Relevance Evidence Brief | CED ClinicCannabis users required significantly more propofol during third molar extraction under general anesthesia, with high-risk users needing the greatest amounts. AnesthesiaCannabisOral SurgeryPropofol[Drug Interactions](https://cedclinic.com/cannabis-liver-interactions-study-insights/) Cannabis users required significantly more propofol during third molar extraction under general anesthesia, with high-risk users needing the greatest amounts. What This Study Teaches Us This study demonstrates a dose-dependent relationship between cannabis exposure and anesthetic requirements, specifically propofol, during oral surgery. The findings suggest that chronic, frequent [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) may increase tolerance to general anesthetics through potential cross-tolerance mechanisms or altered drug metabolism. Why This Matters Anesthesiologists and oral surgeons need to anticipate higher anesthetic requirements in chronic cannabis users to ensure adequate sedation and [patient safety](https://cedclinic.com/indiana-marijuana-legalization-policy-addressing-lagging-reform/). This has immediate implications for pre-operative planning and dosing protocols in surgical settings. Study Snapshot Study Type Prospective Cohort Study Population Adults >21 years undergoing third molar removal under IV general anesthesia, n not specified in abstract Intervention Cannabis exposure assessment and total milligrams of propofol measurement Comparator Non-cannabis users Primary Outcome Total milligrams of propofol (TMP) required for anesthesia Key Finding Cannabis users with ≥2-3 years of multiple daily use required increased propofol doses Journal Journal of Oral and Maxillofacial Surgery Year 2024 Clinical Bottom Line Patients with significant cannabis exposure history (≥2-3 years, multiple daily sessions) should be flagged as potentially requiring higher propofol doses for general anesthesia. Pre-operative [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) screening becomes a safety consideration for anesthetic planning. What This Paper Does Not Show The abstract does not provide specific numerical differences in propofol requirements, sample sizes, or statistical significance values. It also does not establish causation or explain the underlying pharmacological mechanisms responsible for increased anesthetic needs. Where This Paper Deserves Skepticism The study design and statistical power are unclear from the abstract. Self-reported cannabis use may be inaccurate, and confounding variables like body weight, tolerance to other substances, or concurrent medications are not addressed in the available information. Dr. Caplan's Take This aligns with what I see clinically – patients with heavy cannabis use often report needing more anesthesia for procedures. While the mechanism isn’t clear, the practical implication is straightforward: I now routinely ask about cannabis use patterns before any procedure requiring sedation and alert anesthesia colleagues accordingly. What a Careful Reader Should Take Away Chronic, frequent cannabis use appears to increase anesthetic requirements during oral surgery, supporting the need for systematic pre-operative [cannabis screening](https://cedclinic.com/mamedica-cannabis-use-uk-prevalence-patient-disclosure/). However, the specific dosing adjustments and underlying mechanisms require further investigation with larger, well-controlled studies. Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan →](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion →](https://cedclinic.com/interact/discussion-forums/forum/cannabis-industry/) Have thoughts on this? Share it: [X Share on X](https://twitter.com/intent/tweet?text=Just%20read%20this%20on%20CEDclinic.com%3A%20Do%20Cannabis%20Users%20Require%20More%20Anesthesia%20During%20Third%20Molar%20Removal%20Under%20Intravenous%20General%20Anest...%20%40drcaplan&url=https%3A%2F%2Fcedclinic.com%2Fcannabis-anesthesia-requirements-oral-surgery-propofol-dosing%2F)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fcedclinic.com%2Fcannabis-anesthesia-requirements-oral-surgery-propofol-dosing%2F)[🦅 Share on BlueSky](https://bsky.app/intent/compose?text=Just%20read%20this%3A%20Do%20Cannabis%20Users%20Require%20More%20Anesthesia%20During%20Third%20Molar%20Removal%20Under%20Intravenous%20General%20Anest...%20via%20%40drcaplan.bsky.social%20https%3A%2F%2Fcedclinic.com%2Fcannabis-anesthesia-requirements-oral-surgery-propofol-dosing%2F)[📷 Follow on Instagram](https://www.instagram.com/drbenjamincaplan)[📝 Read more on Substack](https://doctorapprovedcannabis.substack.com/)[🔔 Subscribe via RSS](https://cedclinic.com/feed/) Table of Contents - [FAQ](#FAQ)[Do cannabis users require more anesthesia during oral surgery?](#Do_cannabis_users_require_more_anesthesia_during_oral_surgery) - [How should I classify patients based on their cannabis use for anesthetic planning?](#How_should_I_classify_patients_based_on_their_cannabis_use_for_anesthetic_planning) - [Should I ask patients about cannabis use before oral surgery under general anesthesia?](#Should_I_ask_patients_about_cannabis_use_before_oral_surgery_under_general_anesthesia) - [What specific anesthetic considerations should I make for regular cannabis users?](#What_specific_anesthetic_considerations_should_I_make_for_regular_cannabis_users) - [Does the frequency of cannabis use matter more than the duration of use?](#Does_the_frequency_of_cannabis_use_matter_more_than_the_duration_of_use) - [Related](#Related) ## FAQ #### Do cannabis users require more anesthesia during oral surgery? Yes, this study found that cannabis users required significantly more propofol during third molar extraction under general anesthesia compared to non-users. The increased anesthetic requirements were most pronounced in high-risk cannabis users with extensive exposure history. #### How should I classify patients based on their cannabis use for anesthetic planning? The study suggests a risk stratification system: high-risk users have ≥2-3 years of use with multiple daily sessions, moderate-risk users have ≥2-3 years with infrequent use, and low-risk users have --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Founder & CMO CED Clinic & CED Foundation, Author of *The Doctor-Approved Cannabis Handbook* (Penguin Random House). - **Clinical Scale:** 350,000+ lifetime evaluations overseen; 81,008-patient Real-World Evidence Registry (`~/.ced_rwe_vault.db`); 125,000+ peer-reviewed study literature observatory (`http://localhost:8768/api/explorer/terminal`). - **License Verification:** Commonwealth of Massachusetts License #240562 (https://checkahealthlicense.mass.gov/). - **NPI Registry:** 1962722637 (https://npiregistry.cms.hhs.gov/provider-view/1962722637). - **Ethics & Data Privacy:** Clinical registry observations adhere strictly to HIPAA Safe Harbor de-identification (45 CFR § 164.514(b)) and criteria for secondary research exemption under 45 CFR § 46.104(d)(4).