Are there long-term risks of using cannabis for neuropathic pain?

PostedFebruary 17, 2026

UpdatedFebruary 17, 2026

ByMy Patient Advice

Author: Julia Sutton, MSc | Reviewed by: Dr. Clarissa Morton, PharmD

As more patients explore cannabis as a treatment, understanding the long-term risks of cannabis for nerve pain becomes increasingly important. While cannabis can provide short-term relief from burning, tingling, or stabbing nerve pain, ongoing use may carry consequences that aren’t always discussed.

Patients must be made aware of cannabis’ chronic use for neuropathic pain and how extended exposure could impact health, cognition, and treatment effectiveness. While some users tolerate it well, others may face complications over time.

Potential Long-Term Risks to Consider

Below are some of the key concerns associated with prolonged cannabis use in the context of neuropathic pain treatment.

Cognitive and memory impairment

Long-term cannabis use, particularly THC-dominant strains, has been linked to reduced short-term memory, slower processing speeds, and difficulty concentrating.

Tolerance build-up

With continuous use, some patients may develop a higher tolerance, meaning they need more cannabis to achieve the same effect, increasing the potential medical cannabis risks for neuropathy.

Mood and mental health fluctuations

Prolonged exposure may increase the risk of anxiety, depression, or emotional blunting in some individuals, especially if predisposed to mental health conditions.

Respiratory effects (inhaled forms)

Smoking or vaping cannabis over time may irritate the lungs, leading to chronic cough or bronchitis-like symptoms. This is a consideration in cannabis long-term safety for nerve pain strategies.

Dependence and withdrawal

Though not as addictive as opioids, some patients may experience psychological dependence or withdrawal symptoms when stopping cannabis after extended use.

In conclusion, while cannabis can be beneficial, the long-term risks of cannabis for nerve pain must be weighed carefully. Work with a medical professional to monitor effects, adjust dosage, and evaluate ongoing suitability.

If you’re exploring cannabis treatment options for neuropathic pain, visit providers like LeafEase for personalised consultations and guidance tailored to your needs.

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Medical Cannabis and neuropathic pain

Julia Sutton, MSc

Author

Julia Sutton is a clinical psychologist with a Master’s in Clinical Psychology and experience providing psychological assessment and therapy to adolescents and adults. Skilled in CBT, client-centered therapy, and evidence-based interventions, she has worked with conditions including depression, anxiety, bipolar disorder, and conversion disorder. She also has experience in child psychology, conducting psycho-educational evaluations and developing tailored treatment plans to improve learning and well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy.

Dr. Clarissa Morton, PharmD

Reviewer

Dr. Clarissa Morton is a licensed pharmacist with a Doctor of Pharmacy degree and experience across hospital, community, and industrial pharmacy. She has worked in emergency, outpatient, and inpatient pharmacy settings, providing patient counseling, dispensing medications, and ensuring regulatory compliance. Alongside her pharmacy expertise, she has worked as a Support Plan & Risk Assessment (SPRA) officer and in medical coding, applying knowledge of medical terminology, EMIS, and SystmOne software to deliver accurate, compliant healthcare documentation. Her skills span medication safety, regulatory standards, healthcare data management, and statistical reporting.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewers's privacy.