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Opioid withdrawal symptoms such as anxiety, sweating, and upset stomach can be intense. Managing these unpleasant symptoms may leave you looking for ways to feel better. Pregabalin (Lyrica) is one medication being studied for its effects on withdrawal symptoms.
Whether pregabalin can make withdrawal easier isn’t clear. Research so far is limited. Studies have produced different results as to whether pregabalin can help during detoxification (detox), the process of managing withdrawal after stopping opioid use.
The medication also has important safety concerns. When taken with opioids or other medications that slow down the central nervous system (CNS), pregabalin can increase the risk of serious breathing problems.
Here’s what you should know about pregabalin for opioid withdrawal.
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Pregabalin is a prescription medication. It’s used to treat certain types of neuropathic pain (nerve pain), fibromyalgia, and seizures associated with epilepsy.
Pregabalin affects how nerve cells send signals. It helps control the release of chemical signals between nerve cells.
By affecting these signals, pregabalin can decrease some of the nerve activity involved in pain. This can help reduce certain types of nerve pain. However, researchers are still trying to understand exactly how pregabalin works.
The U.S. Food and Drug Administration (FDA) has approved pregabalin to treat several types of nerve pain. These include diabetic nerve pain, lingering pain after shingles, and nerve pain due to a spinal cord injury. Pregabalin is also approved to treat fibromyalgia and as an add-on treatment for partial-onset seizures.
Pregabalin isn’t approved to treat opioid withdrawal or opioid use disorder (OUD). When doctors prescribe a medication for a use that isn’t included in its FDA-approved labeling, it’s called off-label use.
Off-label use doesn’t mean that a medication is unsafe or illegal. Doctors may prescribe an approved medication for an unapproved use when they believe it’s right for a particular person. However, the FDA hasn’t determined that a medication used off-label is safe and effective for that specific use.
Researchers have studied pregabalin to see whether it can ease symptoms of opioid withdrawal. So far, research hasn’t shown that pregabalin is an effective treatment for opioid withdrawal or OUD.
Opioid withdrawal can cause symptoms such as anxiety, nausea, diarrhea, and trouble sleeping. Whether pregabalin can help relieve these symptoms isn’t clear, but some studies suggest that people taking it might have less intense symptoms during withdrawal.
One small study of people admitted to an inpatient program compared pregabalin with clonidine. The study found that people who took pregabalin needed lower doses of a pain reliever during withdrawal than those taking clonidine. However, the study didn’t show that pregabalin reduced withdrawal symptoms more than clonidine.
Even if pregabalin helps with some withdrawal symptoms, that’s not the same as treating opioid cravings or OUD itself. These findings suggest that pregabalin might help with some aspects of opioid withdrawal, but they don’t show that it reliably eases withdrawal symptoms or treats OUD.
Research on pregabalin for opioid withdrawal is limited, and studies have found different results. Available studies have included only a small number of people and looked at different treatment approaches. Because of this, it’s not yet clear whether pregabalin helps with opioid withdrawal.
A 2019 study compared pregabalin with a placebo (a treatment without active medicine). The researchers found that pregabalin didn’t significantly reduce opioid withdrawal symptoms compared with the placebo.
Another small study involving 50 people going through opioid withdrawal compared pregabalin, gabapentin, and a placebo as additions to treatment with buprenorphine, an FDA-approved medication for OUD. Neither pregabalin nor gabapentin reduced withdrawal symptoms more than the placebo.
Pregabalin and treatments for opioid use disorder have different roles. Pregabalin isn’t a standard treatment for opioid withdrawal and hasn’t been shown to treat OUD. It isn’t a replacement for FDA-approved medications for OUD, which include methadone (Diskets, Methadose), buprenorphine (Brixadi, Sublocade), and naltrexone (Vivitrol).
Methadone and buprenorphine are opioids that can reduce withdrawal symptoms and cravings. They’re used as ongoing treatment for OUD and can also help manage opioid withdrawal.
Naltrexone blocks opioid receptors, preventing opioids from producing their usual effects. This can help prevent a return to opioid use.
However, naltrexone doesn’t treat opioid withdrawal itself. People generally need to be opioid-free for at least seven to 10 days after using short-acting opioids before starting naltrexone. Those who have been taking longer-acting opioids, such as methadone or buprenorphine, may need to wait longer, sometimes up to two weeks.
Lofexidine is a medication used to manage opioid withdrawal symptoms, but it isn’t an ongoing treatment for OUD.
Pregabalin can cause side effects, such as dizziness and sleepiness. It can also cause serious breathing problems, especially when taken with other medications or substances that slow CNS activity.
Pregabalin can also be misused, particularly among people with a history of substance use disorders. A 2026 review found that pregabalin misuse often involves other substances, including opioids, which can raise the risk of overdose. In one study of people seeking treatment for OUD in the United Arab Emirates, pregabalin was the most commonly misused non-opioid.
It’s also possible to develop physical dependence on pregabalin. One review described data from people receiving substance use treatment in France. Among people who reported pregabalin misuse, the proportion who said pregabalin was the first substance that led to dependence rose from 1.2 percent in 2008 to 2018 to 10.4 percent in 2019 to 2022.
Stopping pregabalin suddenly or reducing your dose too quickly can cause withdrawal symptoms like trouble sleeping, nausea, headache, or diarrhea. It’s important not to stop taking pregabalin abruptly without talking with a healthcare professional.
Taking pregabalin with certain medications can increase your risk of serious breathing problems. In particular, combining pregabalin with medications that slow CNS activity can lead to slow or shallow breathing.
In some cases, combining these medications may result in respiratory depression — dangerously slow or shallow breathing. According to the FDA, the risk of respiratory depression is higher for older adults and people with lung conditions.
Seek emergency medical help if you notice signs of a serious breathing problem, including:
Although pregabalin might be helpful in certain situations, it can also cause serious side effects and dependence. A healthcare professional can help determine whether the medication is appropriate for you and monitor you while you’re taking it. Before prescribing pregabalin, your provider will consider your other medications, medical history, and risk of misuse.
If you’re taking pregabalin, don’t stop taking it or change your dose before talking with your healthcare provider. They can tell you how to stop the medication safely and let you know whether other treatments may be a better fit for your needs.
A healthcare provider can help you understand your options during opioid withdrawal. They can help you decide whether pregabalin may be appropriate for you and explain its potential risks.
If you’re experiencing opioid withdrawal or considering pregabalin, talk with a healthcare professional. They can help you understand the risks of pregabalin and what other treatment options might be right for you.
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