Gabapentin withdrawal usually starts within 12 hours to two days of your last dose, and for most people the sharper symptoms ease over about a week, though the safest way to avoid them is a slow, doctor-guided taper rather than stopping all at once.

Gabapentin is a common prescription for nerve pain and seizures, and a lot of people take it for months or years without ever planning to stop. When they do try to come off it, the body can push back. The symptoms can feel a lot like anxiety, the flu, and a bad stretch of insomnia all at once, which catches people off guard because gabapentin is often described as a mild, low-risk medication.

This article is for general education. If you are thinking about stopping gabapentin or you already have, it is worth talking with an addiction medicine provider first, and you can do that through virtual outpatient care from home.

What is gabapentin?

Gabapentin is a medication that calms overactive nerve signaling in the brain and spinal cord. In Canada and the United States it is approved to treat certain seizures and the nerve pain that can follow shingles, and one form is used for restless legs syndrome. Doctors also prescribe it off-label for a wide range of problems, including general nerve pain, anxiety, and as support during alcohol withdrawal.

It has a short half-life of about 5 to 7 hours, and the body clears most of it within roughly two days. That quick clearance is part of why withdrawal can begin so soon after the last dose. Gabapentin is not a federally controlled substance in Canada, and it was long considered non-addictive, but that view has shifted. Some people develop dependence, misuse it on its own or alongside opioids, and struggle to stop. If any of that sounds familiar, it can help to read about what addiction actually is before you judge yourself too harshly.

Gabapentin withdrawal symptoms

Withdrawal happens because your nervous system has adjusted to the drug being there, and it takes time to recalibrate once the drug is gone. The symptoms tend to look like a mix of anxiety and physical restlessness. Clinicians have noted that the overall picture resembles benzodiazepine withdrawal and, in some ways, alcohol withdrawal.

Common gabapentin withdrawal symptoms include:

• Anxiety and agitation, often the first and most noticeable change
• Trouble sleeping, including vivid dreams or nightmares
• Sweating and shaking, sometimes with a racing or pounding heartbeat
• Nausea, stomach upset, and body aches that can feel flu-like
• Irritability, restlessness, and difficulty concentrating
• Return of the original symptom, so pain or seizures can come back if that is what the gabapentin was treating

In more serious cases, and especially after abrupt discontinuation, people can experience confusion, disorientation, or seizures. That is the part of gabapentin withdrawal that deserves real caution.

Gabapentin withdrawal timeline

There is no single timeline that fits everyone. The dose, how long you have taken it, and whether you stop suddenly or taper all change the shape of it. The pattern below is a general guide for someone stopping after regular use.

A gradual taper spreads this out on purpose. Instead of a hard few days, you get smaller, more manageable shifts over several weeks. People who have come off other substances sometimes compare notes with opioid withdrawal, but gabapentin has its own rhythm and its own risks.

What affects how hard gabapentin withdrawal is

Two people stopping the same medication can have very different experiences. A few things tend to make the difference:

• Your dose. Higher daily doses generally mean stronger withdrawal.
• How long you have taken it. Months or years of daily use give the body more to adjust to.
• How you stop. Quitting cold turkey is much harder, and riskier, than a planned taper.
• Other substances. Using gabapentin with opioids, alcohol, or benzodiazepines complicates withdrawal and raises the danger.
• Physical and mental health. Existing anxiety, sleep problems, or mental health conditions can make the emotional side feel heavier.

Is gabapentin withdrawal dangerous?

For many people the symptoms are miserable but not life-threatening. The concern is what can happen at the more severe end, especially when someone stops abruptly. Stopping gabapentin suddenly can trigger seizures, and that risk is higher for people who were taking it for epilepsy in the first place. Because the presentation can resemble alcohol or benzodiazepine withdrawal, some people also become confused or disoriented.

This is why medical guidance is consistent on one point: do not stop gabapentin on your own without talking to a provider, and do not quit cold turkey after regular use. If you are considering coming off it, medical detox support gives you a safety net. You can read more from the UK’s NHS on stopping gabapentin, which stresses reducing the dose gradually and never stopping suddenly.

How to stop gabapentin safely

The safe path is a slow taper planned with a doctor. Clinical references advise reducing the dose over a period longer than a week, and often much longer for people on high doses or long-term use. Your provider works out a schedule that lowers the dose in steps your body can handle, adjusts the pace if symptoms flare, and manages sleep, anxiety, or pain along the way.

If gabapentin has become something you feel you cannot stop, or you are taking it with other substances, that points toward dependence rather than a simple dose change, and it is worth getting a proper assessment. Noticing the signs that you may need help early makes the whole process easier.

Getting OHIP-covered gabapentin treatment in Ontario

Thrive Medical is a Rapid Access Addiction Medicine (RAAM) clinic serving North York and the Greater Toronto Area, with virtual appointments available across Ontario. Assessment and treatment for gabapentin dependence are covered by OHIP for eligible patients, so cost does not have to be a barrier to getting help.

A provider can build a taper plan, treat withdrawal symptoms, and look at anything underneath the gabapentin use, whether that is chronic pain, anxiety, or another substance. If medication support is part of your plan, that is coordinated too through medication-assisted care. You can reach out to Thrive Medical to book a confidential assessment or ask whether you qualify.

Frequently Asked Questions

How long does gabapentin withdrawal last?

For most people the sharper symptoms last about 5 to 10 days, starting within 12 hours to two days of the last dose. Anxiety, low mood, and insomnia can linger for a few weeks, especially after long-term or high-dose use. A gradual taper stretches the process out but makes each step much gentler.

What happens if you stop gabapentin suddenly?

Stopping suddenly after regular use can bring on anxiety, sweating, a racing heartbeat, nausea, and insomnia within a day or two. In more serious cases it can cause confusion or seizures, and the seizure risk is higher for people who take gabapentin for epilepsy. This is why providers advise tapering rather than quitting cold turkey.

Can you die from gabapentin withdrawal?

Death from gabapentin withdrawal alone is rare, but it is not risk-free. Abrupt discontinuation can trigger seizures, which can be dangerous, and withdrawal is riskier when gabapentin is mixed with opioids, alcohol, or benzodiazepines. Coming off it under medical guidance keeps you far safer than doing it alone.

Do you have to wean off gabapentin?

Yes, if you have taken it regularly. Standard practice is to lower the dose gradually rather than stop all at once, both to avoid withdrawal and to reduce the chance of seizures. Your doctor sets the pace based on your dose and how long you have been taking it, and slows down if symptoms appear.

What are the first signs of gabapentin withdrawal?

The earliest signs are usually anxiety, restlessness, and trouble sleeping, often within 12 to 24 hours of a missed or final dose because gabapentin leaves the body quickly. Sweating, a pounding heartbeat, and nausea tend to follow. Catching these early is a good reason to check in with a provider.

Is gabapentin addictive?

Gabapentin was long thought to be non-addictive and it is not a controlled substance in Canada, but that picture has changed. Some people develop dependence, crave it, or misuse it, particularly alongside opioids. Physical dependence and withdrawal can happen even when someone takes it exactly as prescribed.

Sources

• StatPearls, Gabapentin (National Library of Medicine)
• NHS, Common questions about gabapentin
• Tran KT, et al., Gabapentin withdrawal syndrome in the presence of a taper (2005)
• Mah L, Hart M, Gabapentin withdrawal presenting as delirium (Journal of the American Geriatrics Society, 2013)
• UpToDate, Gabapentinoid poisoning and withdrawal
• Health Canada, Get help with substance use

Last reviewed: September 2026. This article is for general educational purposes and does not replace medical advice. Talk to a licensed healthcare provider about your specific situation. If you think you or someone else is having a seizure or a medical emergency, call 911.