# Hospital Visits Increase for Frequent Cannabis Users with Severe Nausea > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/cannabis-related-emergency-department-visits-nausea-rise/ > **Published:** 2026-08-08T07:13:53-04:00 | **Last Modified / Clinically Audited:** 2026-09-09T10:01:44-04:00 > **Clinical Summary:** Cannabis-related emergency department visits are rising due to severe nausea and vomiting among frequent users, highlighting the need for clinical awareness. --- ✦ New CED Clinical Relevance #67 Notable Clinical Interest Emerging findings or policy developments worth monitoring closely. SafetyResearchTHCMental HealthNeurologyAnxietyDosing Why This Matters Clinicians need to recognize [cannabis hyperemesis syndrome](https://cedclinic.com/remediated-cannabis-mold-contamination-risks/) as an increasingly common diagnosis in emergency settings, with a 16% rise in cases, requiring them to screen frequent marijuana users presenting with severe nausea and vomiting. Understanding this syndrome is critical for reducing unnecessary diagnostic testing and hospitalizations, as the definitive treatment is cannabis cessation rather than standard antiemetic protocols. Patients who use cannabis regularly should be counseled about this dose-dependent risk, particularly as higher-potency products become more prevalent in legal markets. Clinical Summary [Cannabis hyperemesis syndrome](https://cedclinic.com/remediated-cannabis-mold-contamination-risks/) (CHS), characterized by severe recurrent nausea and vomiting in frequent cannabis users, is emerging as a significant clinical problem, with emergency department diagnoses increasing 16% during the study period from October through May. This seasonal pattern and rising incidence suggest clinicians should maintain heightened awareness of CHS as a differential diagnosis in patients presenting with intractable nausea and vomiting, particularly those who report regular [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/), since the condition may be underrecognized or misattributed to other causes. The syndrome appears linked to heavy, chronic cannabis consumption and paradoxically often resolves with cannabis cessation despite patients’ initial belief that cannabis provides symptom relief. Understanding this counterintuitive relationship is critical because patients may resist recommendations to discontinue use without clear clinical explanation of the hyperemesis mechanism. Clinicians should screen frequent cannabis users presenting with unexplained severe nausea or vomiting for CHS and counsel patients that symptom resolution typically follows cannabis discontinuation, not continued or increased use. Dr. Caplan’s Take “We’re seeing a clear uptick in [cannabinoid hyperemesis](https://cedclinic.com/cannabis-hyperemesis-syndrome-virginia-er-cases-surge/) syndrome presenting to emergency departments, and what’s clinically important here is that this appears tied to high-potency products and frequent use patterns rather than cannabis itself as a categorical risk. Patients need straightforward counseling about dose and frequency, and clinicians should consider CHS in the differential when frequent users present with refractory nausea and vomiting.” Clinical Perspective 🏥 The reported increase in emergency department visits for [cannabis hyperemesis syndrome](https://cedclinic.com/remediated-cannabis-mold-contamination-risks/) (CHS) warrants clinical attention, particularly as [cannabis legalization](https://cedclinic.com/the-forgotten-history-of-hemp-in-america/) expands access and potency increases. While the 16% rise is notable, clinicians should recognize that improved recognition and diagnostic coding of CHS—rather than purely increased incidence—may partially explain this trend, and temporal variation in ED utilization patterns can confound epidemiologic interpretation. The syndrome typically presents in chronic, heavy cannabis users and may be underdiagnosed in patients who attribute symptoms to other causes or avoid disclosure of use. Given the potential severity of CHS and the limited treatment options beyond cannabinoid cessation, providers should maintain a high index of suspicion in patients with recurrent nausea and vomiting, particularly those with heavy cannabis exposure, and should proactively counsel patients about this risk during substance use screening and cannabis normalization discussions. 💬 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/) Have thoughts on this? Share it: [X Share on X](https://twitter.com/intent/tweet?text=Just%20read%20this%20on%20CEDclinic.com%3A%20Hospital%20visits%20rise%20among%20frequent%20marijuana%20users%20with%20severe%20nausea%2C%20vomiting%20%40drcaplan&url=https%3A%2F%2Fcedclinic.com%2F%3Fp%3D72889)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fcedclinic.com%2F%3Fp%3D72889)[🦅 Share on BlueSky](https://bsky.app/intent/compose?text=Just%20read%20this%3A%20Hospital%20visits%20rise%20among%20frequent%20marijuana%20users%20with%20severe%20nausea%2C%20vomiting%20via%20%40drcaplan.bsky.social%20https%3A%2F%2Fcedclinic.com%2F%3Fp%3D72889)[📷 Follow on Instagram](https://www.instagram.com/drbenjamincaplan)[📝 Read more on Substack](https://doctorapprovedcannabis.substack.com/)[🔔 Subscribe via RSS](https://cedclinic.com/feed/) Related Articles - [US sees a big jump in nausea cases among frequent marijuana users in the hospital](https://cedclinic.com/us-sees-a-big-jump-in-nausea-cases-among-frequent-marijuana-users-in-the-hospital/) - [New York Child Cannabis Poisonings Are Climbing: What the New State ER Report Means](https://cedclinic.com/pediatric-cannabis-poisoning-increase-new-york-er-report/) - [CED Digest: 230 Items — March 17, 2026](https://cedclinic.com/cannabis-clinical-research-digest-march-2026/) 📰 Source: [https://www.livenowfox.com/news/hospital-visits-rise-among-frequent-marijuana-users-severe-nausea-vomiting](https://www.livenowfox.com/news/hospital-visits-rise-among-frequent-marijuana-users-severe-nausea-vomiting) Further Reading CED Clinic Blog[Why Cannabis Works](https://cedclinic.com/why-cannabis-works/) Evidence Watch[Cannabis and Heart Health](https://cedclinic.com/cannabis-cardiovascular-health-study/) CED Clinic Blog[Cannabis for Sleep](https://cedclinic.com/cannabis-for-sleep/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) Physician-Led, Whole-Person Care A doctor who takes the time to truly understand you. Personal care that starts with listening and is guided by experience and ingenuity. Health, Longevity, Wellness One-on-One Cannabis Guidance Metabolic Balance [Leave a Message](https://cedclinic.com/contact/) [Metabolic Care](https://cedclinic.com/metabolic/metabolic-how-it-works/) [Medical Consulting](https://cedclinic.com/book/) [Cannabis Care](https://cedclinic.com/book/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) RELATED READING AT CED CLINIC Continue exploring the evidence [US sees a big jump in nausea cases among frequent marijuana users in the hospital](https://cedclinic.com/us-sees-a-big-jump-in-nausea-cases-among-frequent-marijuana-users-in-the-hospital/) Explore the recent increase in hospital cases involving nausea among frequent marijuana users and its clinical significance. [Read More](https://cedclinic.com/us-sees-a-big-jump-in-nausea-cases-among-frequent-marijuana-users-in-the-hospital/) [Cannabinoid Hyperemesis Syndrome: A Diagnosis of Exclusion](https://cedclinic.com/cannabinoid-hyperemesis-syndrome-a-diagnosis-of-exclusion/) Understand the diagnostic challenges and clinical features of [cannabinoid hyperemesis](https://cedclinic.com/cannabis-hyperemesis-syndrome-virginia-er-cases-surge/) syndrome in emergency settings. [Learn More](https://cedclinic.com/cannabinoid-hyperemesis-syndrome-a-diagnosis-of-exclusion/) [A disorder involving cannabis is gaining more attention | krem.com](https://cedclinic.com/a-disorder-involving-cannabis-is-gaining-more-attention-krem-com/) Review emerging awareness of cannabis-related disorders impacting emergency care and [public health](https://cedclinic.com/cannabis-mold-contamination-risks-recall-safety/). [Discover More](https://cedclinic.com/a-disorder-involving-cannabis-is-gaining-more-attention-krem-com/) ### Related --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Former CMO Canna Care Docs (250,000+ patients supervised), 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).