CBN Stats & Data
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DrugBankDescription
Cannabinol (CBN) is a physiologically inactive constituent of Cannabis sativa.
Toxicity
PsychonautWikiDespite its reputation for being a benign substance, it is important to be aware that cannabis use is associated with distinct risks. Acute adverse effects include anxiety, hyperemesis syndrome, impaired coordination and judgment, suicidal ideations/tendencies, and psychotic symptoms.
Addiction & dependence
Cannabis is moderately habit-forming. Research has shown the overall dependence potential for cannabis to be less than that for caffeine, tobacco, alcohol, cocaine or heroin, but higher than that for psilocybin, mescaline, or LSD. Dependence on cannabis is more common amongst heavy users.
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Limited direct data; pattern inferred from broader cannabinoid use. Psychological habituation to nightly use as a sleep cue can occur.
Harm Reduction
drugs.wiki• Product variability is common in the unregulated cannabinoid market; verify CBN content and check for residual solvents, pesticides and heavy metals via a recent third‑party Certificate of Analysis (COA). Avoid informal‑market vape cartridges.
• Sedation is the primary sought effect; next‑day grogginess and impaired psychomotor function are reported. Allow a full 8–10 hours in bed and avoid driving or operating machinery after dosing. User reports consistently note sleepiness and heavy sedation.
• Inhalation/vaping: Past EVALI clusters were strongly linked to vitamin E acetate in illicit THC carts; purchase only tested products and avoid unknown diluents or ‘dabbing’ oils directly on hot coils. Seek medical care if cough, chest pain, or dyspnea develop after vaping.
• Drug–drug interactions: In vitro and clinical data indicate cannabinoids, including CBN, can inhibit CYP2C9 and UGT1A9 (and CBD also inhibits other UGTs/CYPs). Monitor for increased effects/side effects of co‑medications, especially narrow‑therapeutic‑index CYP2C9 or UGT substrates; consult a pharmacist.
• Oral use: Lipophilicity suggests greater absorption with dietary fat (shown for CBD/cannabis); this can intensify and prolong effects. Start low, titrate slowly, and avoid redosing for at least 2 hours after an oral dose. (Inference based on CBD and THC data.)
• Pregnancy/breastfeeding: Multiple cannabinoids (including THC and CBD) are measurable in breast milk for days–weeks; avoid cannabinoid products while pregnant or nursing unless guided by a clinician.
• Chronic heavy cannabis exposure can be associated with cannabinoid hyperemesis syndrome (CHS); persistent cyclic nausea/vomiting warrants cessation and medical evaluation.
• Drug testing: Routine urine immunoassays target THC‑COOH; confirmatory GC/MS is specific. Non‑THC cannabinoids like CBN have low cross‑reactivity on many modern screens; positives more often reflect undetected THC content in products. Always check COAs and be aware that screening positives require lab confirmation.
• Special populations: Older adults and those with balance disorders are at higher risk of falls from sedation; those with untreated sleep apnea should avoid bedtime sedatives without medical advice. Hepatic impairment may increase exposure; use extra caution and lower starting doses.
References
Drugs.wiki References
- DrugBank – Cannabinol (DB14737) entry
- DrugBank Article – Potential Cannabis–Medication PK interactions (Qian et al., 2019)
- DrugBank Category – UGT1A9 Inhibitors (lists Cannabinol)
- DrugBank Article – Pharmacokinetics and metabolism of THC, CBD, and CBN (Huestis 2005)
- NCBI Bookshelf – LactMed: Cannabis (updated 2025-07-15)
- NCBI Bookshelf – StatPearls: Vaping-Associated Pulmonary Injury (EVALI)
- NCBI Bookshelf – StatPearls: Cannabinoid Antiemetic Therapy (CHS mention)
- NCBI Bookshelf – StatPearls: Cannabidiol (for high-fat meal effect and PK analogy)
- NCI PDQ – Cannabis and Cannabinoids (oral vs inhaled PK, low oral bioavailability)
- Hi-Ground – Cannabis HR overview (unregulated market, dosing cautions, combos)
- Erowid – Drug Testing Basics (cutoffs; confirmation by GC/MS)
- Erowid – Cannabis Drug Testing (cutoffs; context)
- Drugs‑Forum – ‘What are the effects of CBN?’ (user reports of sedation/grogginess)