How Medical Cannabis Could Help Patients With Head and Neck Cancer | Research

The takeaway

Medical cannabis shows potential for managing pain, nausea, cachexia, and other severe symptoms that significantly reduce quality of life in head and neck cancer patients.

Head and neck cancer patients and caregivers, oncologists, and palliative care providers.

Cannabis targets multiple cancer symptoms through one mechanism

What the researchers found

Medical cannabis can be effective in managing chronic pain, nausea, vomiting, and anxiety in cancer patients through interaction with the endocannabinoid system. For head and neck cancer specifically, it may address the complex symptom burden including dysphagia, xerostomia, and cachexia that are exacerbated by both the disease and treatments like radiation and chemotherapy.

Why it matters

Head and neck cancers cause uniquely debilitating symptoms that affect eating, speaking, and breathing. Current symptom management is often inadequate, and medical cannabis represents an additional tool that targets multiple symptoms through a single mechanism.

The numbers in context

Head and neck cancers are associated with pain, nausea, cachexia, dysphagia, and xerostomia. Cannabis interacts with the endocannabinoid system to reduce nociception (pain perception) and inflammation.

How the study worked

Narrative review exploring the role of the endocannabinoid system and medical cannabis in managing symptoms and improving outcomes for head and neck cancer patients.

What this study cannot tell us

Narrative review format, which does not systematically assess evidence quality. Most cannabis-cancer evidence comes from general oncology rather than head-and-neck-specific studies. Dosing and formulation guidance remains limited.

How to read the evidence

Narrative review synthesizing existing literature, not a systematic assessment of evidence quality.

When this study was published

2026 review.

The bigger picture

While medical cannabis is increasingly used in oncology, head and neck cancer patients face a particularly severe symptom burden that is often undertreated. Integrating cannabis into supportive care could address multiple symptoms simultaneously rather than requiring separate medications for each.

Questions still open

What delivery methods are most appropriate for patients with head and neck cancer who may have difficulty swallowing? Could cannabis interact with radiation or chemotherapy regimens specific to these cancers?

Common questions

Can medical cannabis help with head and neck cancer symptoms?

Research suggests it may help with pain, nausea, appetite loss, and anxiety in cancer patients generally. Evidence specific to head and neck cancer is growing but still limited.

What symptoms does it address?

The review highlights potential benefits for chronic pain, nausea and vomiting, severe weight loss (cachexia), anxiety, and potentially difficulty swallowing and dry mouth.

Read the original research

Medical Cannabis for Best Supportive Care of Patients Affected by Cancers of the Head and Neck: A Narrative Review.

In vivo (Athens, Greece), 40(1), 50-63

View on PubMed ↗Publisher’s paper ↗

Citation

Perri, Francesco; Marciano, Maria Luisa; Zotta, Alessia; Pontone, Monica; Piccirillo, Arianna; Casale, Marina; DI Filippo, Pasquale; Sarno, Maria Rosaria; D' Aniello, Roberta; Cascella, Marco; Maiolino, Piera. (2026). Medical Cannabis for Best Supportive Care of Patients Affected by Cancers of the Head and Neck: A Narrative Review.. In vivo (Athens, Greece), 40(1), 50-63. https://doi.org/10.21873/invivo.14172