Common Back Pain Medication and Dementia Risk: What a New Study Suggests
Back pain is one of the most common health problems affecting adults, and many people rely on medications to manage discomfort and maintain daily activities. However, a recent study has raised questions about a commonly prescribed medication used for certain types of back pain and its possible connection with dementia and cognitive problems.
The medication involved is gabapentin, a drug often prescribed for nerve-related pain, including some cases of chronic lower back pain. Researchers found an association between repeated gabapentin prescriptions and a higher risk of dementia or mild cognitive impairment in some groups of patients.
The findings do not prove that gabapentin causes dementia. More research is needed to understand whether the medication itself, the underlying pain condition, or other health factors may contribute to the association.
Understanding what the study found—and what it does not mean—can help people make informed decisions about pain management.
What Is Gabapentin?
Gabapentin is a prescription medication originally developed to treat seizures. Over time, doctors have also used it for nerve-related pain, including:
- Nerve pain after shingles
- Diabetic nerve pain
- Certain chronic pain conditions
- Some cases of persistent back pain involving nerve irritation
Unlike common over-the-counter pain relievers that mainly reduce inflammation, gabapentin works by affecting nerve signals involved in pain transmission.
Because chronic back pain can have different causes, doctors may choose different treatments depending on whether pain comes from muscles, joints, nerves, or other sources.
What Did the New Study Find?
A 2025 study published in Regional Anesthesia & Pain Medicine examined adults with chronic lower back pain and compared people who received gabapentin prescriptions with similar patients who did not receive the medication.
The researchers analyzed health records from more than 26,000 patients after matching groups based on various health factors. They found that patients with repeated gabapentin prescriptions had a higher incidence of dementia and mild cognitive impairment compared with those who did not receive gabapentin.
According to the study:
- Patients with six or more gabapentin prescriptions showed an increased risk of dementia.
- The risk of mild cognitive impairment was also higher among frequent users.
- The association appeared stronger in some younger age groups.
Researchers emphasized that the results show an association, not proof that gabapentin directly causes dementia.
Why Might Gabapentin Be Linked With Cognitive Changes?
Scientists are still investigating possible explanations.
Some possible factors include:
1. Effects on the Nervous System
Gabapentin affects communication between nerve cells. Some people taking the medication may experience side effects such as:
- Drowsiness
- Dizziness
- Fatigue
- Difficulty concentrating
These effects may influence thinking and alertness, especially in sensitive individuals.
2. The Role of Chronic Pain
Chronic pain itself may affect brain health.
Long-term pain can contribute to:
- Sleep problems
- Reduced physical activity
- Stress
- Depression or anxiety
- Social isolation
These factors may also influence cognitive health, making it difficult to determine whether medication alone explains the findings.
3. Other Health Conditions
People who require long-term pain medications may have other medical conditions that affect dementia risk.
Researchers attempt to adjust for these factors, but observational studies cannot completely remove every possible influence.
Does Gabapentin Cause Dementia?
At this time, the answer is not clear.
The study found a connection between gabapentin use and increased rates of dementia or cognitive impairment, but it does not prove that gabapentin directly causes dementia.
Medical researchers often use different types of studies to understand medication risks. Observational studies, like this one, can identify patterns but cannot always determine cause and effect.
More research is needed before drawing firm conclusions.
Should People Stop Taking Gabapentin?
People who take gabapentin should not stop the medication suddenly without talking to their healthcare provider.
Stopping certain medications abruptly can cause problems, depending on why the medication was prescribed and the person’s health situation.
If you are concerned about gabapentin, discuss:
- Why you are taking it
- How well it controls your symptoms
- Possible side effects
- Alternative treatments
A healthcare professional can help weigh the benefits and risks for your individual situation.
Other Common Treatments for Back Pain
Back pain treatment depends on the cause and severity of symptoms.
Options may include:
Physical Therapy
Physical therapy can help improve:
- Strength
- Flexibility
- Movement patterns
- Posture
For many people, exercises and movement-based approaches are an important part of long-term back care.
Lifestyle Changes
Helpful habits may include:
- Regular walking
- Maintaining a healthy weight
- Improving posture
- Avoiding prolonged sitting
- Strengthening core muscles
Anti-Inflammatory Medications
Some people use nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, for certain types of pain.
Research on NSAIDs and dementia risk has produced mixed results. A 2025 population study found associations between NSAID use patterns and dementia risk, but these findings do not mean NSAIDs should be taken for dementia prevention.
NSAIDs can also have risks, including stomach bleeding, kidney problems, and cardiovascular concerns, especially with long-term use.
Injections or Other Procedures
For some conditions involving nerve compression or structural problems, doctors may consider procedures such as injections or specialist treatments.
Signs of Possible Medication-Related Cognitive Changes
People taking medications that affect the nervous system may notice changes such as:
- Increased confusion
- Trouble concentrating
- Excessive sleepiness
- Memory difficulties
- Changes in balance
These symptoms can have many causes, so they should be discussed with a healthcare professional rather than assumed to be medication-related.
How to Protect Brain Health While Managing Pain
Managing pain and protecting overall health often involve several approaches.
Stay Physically Active
Movement supports both physical and brain health.
Activities such as walking, stretching, and appropriate strengthening exercises may help.
Prioritize Sleep
Poor sleep can worsen pain sensitivity and may affect memory and concentration.
Eat a Balanced Diet
A diet rich in:
- Vegetables
- Fruits
- Whole grains
- Healthy fats
- Lean proteins
supports overall wellness.
Stay Socially Connected
Maintaining relationships and participating in meaningful activities can support emotional and cognitive health.
Questions to Ask Your Doctor About Pain Medication
If you take medication for chronic back pain, consider asking:
- What type of pain is this medication treating?
- How long should I take it?
- Are there alternatives?
- What side effects should I watch for?
- Should my medication plan be reviewed regularly?
Regular medication reviews are especially important for people taking multiple prescriptions.
Frequently Asked Questions
Is gabapentin commonly used for back pain?
Yes, gabapentin is sometimes prescribed for back pain when nerve-related symptoms are involved.
Does taking gabapentin mean I will develop dementia?
No. A study found an association between repeated prescriptions and increased risk, but it does not prove that gabapentin causes dementia.
Should older adults avoid gabapentin?
Not necessarily. The decision depends on the person’s condition, symptoms, other medications, and overall health.
What is the safest treatment for back pain?
The best treatment depends on the cause of the pain. A healthcare professional can help determine the most appropriate approach.
Final Thoughts
A new study has raised important questions about the relationship between gabapentin use for chronic lower back pain and dementia risk. While researchers found an association between repeated prescriptions and increased rates of cognitive problems, the findings do not prove that the medication directly causes dementia.
For people managing chronic pain, the goal is to find the right balance between symptom relief and long-term health. Medication decisions should be personalized, regularly reviewed, and made with guidance from a qualified healthcare professional.
Staying informed about new research can help patients have better conversations with their healthcare providers and make choices that support both comfort and overall well-being.
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