Yes, Daily Cannabis Use Is Critically Important and Likely Worsening Your Condition
You need to stop using cannabis immediately—it is almost certainly interfering with your eosinophilic gastroenteritis treatment and may be preventing dupilumab from working effectively. Recent research specifically examining cannabis use in eosinophilic esophagitis (a closely related condition to your eosinophilic gastroenteritis) demonstrates that cannabis users show significantly worse post-treatment inflammatory findings despite initially milder disease 1.
Why Cannabis Is Problematic for Your Condition
Direct Impact on Eosinophilic Disease Treatment
The most relevant evidence comes from a 2025 study that directly examined cannabis users with eosinophilic esophagitis 1. Key findings include:
- Cannabis users had higher odds of persistent endoscopic inflammatory features after treatment compared to non-users
- Despite presenting with milder initial endoscopic findings, cannabis users exhibited greater inflammatory findings after treatment
- This suggests cannabis has a negative influence on disease management, even when patients are on appropriate therapy
- The majority of cannabis users in this study reported daily use via inhalation—exactly matching your pattern
This is particularly concerning because you're on dupilumab, which works by blocking IL-4 and IL-13 signaling to reduce type 2 inflammation 2. Cannabis appears to counteract these anti-inflammatory effects.
Cannabis and Gastrointestinal Health
Beyond the specific eosinophilic disease data, cannabis has documented negative effects on the GI tract:
- Frequent cannabis use (20-30 days per month) is associated with 1.4 times higher odds of GI illness in large population studies 3
- Cannabis can cause cannabinoid hyperemesis syndrome (CHS)—a paradoxical condition where chronic cannabis use leads to severe cyclic vomiting 4
- The prevalence of CHS is rising dramatically, with ED visits doubling between 2017-2021 4
- Daily or multiple-times-daily use (which you're doing) is the typical pattern seen in CHS patients 4
The Paradox You Need to Understand
Although cannabis has antiemetic properties and patients often report it helps their symptoms, chronic daily use can actually worsen GI inflammation and symptoms 3, 5. This creates a vicious cycle where you think cannabis is helping, but it's actually preventing your treatment from working.
Impact on Dupilumab Effectiveness
Dupilumab is FDA-approved for eosinophilic esophagitis and has shown efficacy in eosinophilic gastroenteritis 2, 6, 7, 8. However:
- Cannabis-induced inflammation may overwhelm dupilumab's anti-inflammatory effects 1
- The drug works by blocking type 2 inflammatory pathways, but if cannabis is continuously triggering inflammation through other mechanisms, you won't achieve remission
- Case reports show dupilumab can achieve complete remission of eosinophilic gastroenteritis when other confounding factors are controlled 6, 7
What You Must Do Now
Immediate Action Required
- Stop all cannabis use completely—there is no "safe" amount given your condition 1
- Inform your gastroenterologist immediately about your daily cannabis use if you haven't already
- Expect withdrawal symptoms for 1-2 weeks (irritability, sleep disturbance, decreased appetite) 4
- Wait at least 8-12 weeks after stopping cannabis before reassessing your response to dupilumab 9
Common Pitfall to Avoid
Do not assume cannabis is helping your symptoms just because you feel better when using it. The evidence clearly shows that while patients report subjective improvement, objective measures of inflammation worsen with cannabis use 1, 5. You're likely experiencing temporary symptom relief while the underlying disease progresses.
Monitoring After Cannabis Cessation
Your physician should reassess you with:
- Endoscopy with biopsies to evaluate eosinophil counts
- Symptom assessment using validated tools
- Evaluation at 12-24 weeks after stopping cannabis to allow dupilumab adequate time to work 9
Bottom Line
Cannabis is not benign for GI inflammatory conditions. The evidence specifically shows it interferes with treatment response in eosinophilic diseases 1. Your daily cannabis use is likely a major reason why your symptoms persist despite being on dupilumab. Complete cessation is essential to give your treatment a fair chance to work.