# Cannabis Delivery Methods Chart

> **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637)
> **Publisher:** CED Clinic (https://cedclinic.com)
> **Canonical URL:** https://cedclinic.com/d69-routes-of-administration-for-medical-cannabis-png/
> **Published:** 2026-09-04T23:01:12-04:00 | **Last Modified / Clinically Audited:** 2026-09-13T14:37:43-04:00
> **Clinical Summary:** Inhalation, oral, sublingual, topical, and rectal routes for medical cannabis: onset, duration, bioavailability, and which fits which need.

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[← Back to the Topical Summary Hub](https://cedclinic.com/topic-topical/)Diagram & referenceA visual reference. The evidence, sources and clinical interpretation are in the linked article.About this diagramA branching map with medical cannabis at the center and four delivery methods coming off it: inhalation, oral, sublingual, and topical. Each branch carries three labels, the onset of effects, the duration, and the kind of symptom the method suits. Read one branch at a time so you can weigh how fast a method works against how long it keeps working. The times shown are the ranges printed on the graphic.The evidence behind it[Read the evidence: onset and duration by route, and what controlled studies actually support](https://cedclinic.com/cannabis-routes-of-administration-onset-duration/)That article carries the cited studies, the limits of the evidence, and the clinical interpretation.

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### 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).