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What are the potential risks of using cannabis for fibromyalgia? 

Posted
Updated
ByMy Patient Advice
Author: Julia Sutton, MSc | Reviewed by: Dr. Clarissa Morton, PharmD

While many people with fibromyalgia (1*) explore cannabis for symptom relief, it’s crucial to consider the possible downsides. Like any therapy, cannabis comes with challenges. Understanding the cannabis side effects can help users make more informed decisions. 

The body reacts to cannabis differently depending on individual biology, strain, and method of use. This can make managing dosage concerns more complex. Although some patients experience relief, others may encounter unwanted effects, especially without proper guidance. 

Am I Eligible for Medical Cannabis?

Common concerns associated with cannabis use 

Before starting any cannabis-based treatment, it’s helpful to understand the potential drawbacks. Here are key points to consider about cannabis side effects: 

Cognitive Impairment 

High doses may affect memory, attention, and coordination, which could impact daily activities. 

Dependency Risk 

There is a possibility of psychological dependence with long-term or frequent use. 

Dosage Concerns 

Finding the right dose is often a trial-and-error process. Incorrect amounts can lead to either ineffectiveness or heightened symptoms. 

Mental Health 

Some users report increased anxiety or low mood, making this a critical factor for those with pre-existing conditions. 

While cannabis holds potential, weighing the cannabis side effects is essential, particularly for fibromyalgia patients seeking safe and sustainable relief. Speaking with a healthcare provider who understands cannabis-based treatment can provide much-needed clarity and help minimise dependency risk or other complications related to dosage concerns and mental health. 

If you’re exploring cannabis treatment options for fibromyalgia, 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 Fibromyalgia . 

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. 

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