Ask the medicines regulator whether you can drink on gabapentin and the answer is a warning about potentially fatal interactions. Ask the NHS and the answer is yes. Ask the licensed product information and alcohol is not listed as an interaction at all.
All three are current UK sources, checked at source. The part most pages leave out is that the same drug has also been trialled as a treatment for drinking.
What each UK source says
| Source | What it says about alcohol |
|---|---|
| MHRA Drug Safety Update, April 2019 | Prescribers should “ensure patients are aware of the risk of potentially fatal interactions with other medicines that cause CNS depression, particularly opioid medicines, and with alcohol” |
| NHS, common questions about gabapentin | “Yes, you can drink alcohol while taking gabapentin, but it may make you feel sleepy or tired”, with a suggestion to stop drinking in the first few days “until you see how the medicine affects you” |
| Product information, section 4.5, interactions | Alcohol does not appear. The section covers CNS depressants including opioids, antacids, oral contraceptives and other antiepileptics |
| Product information, section 4.4, special warnings | The label’s single mention of alcohol is as a risk factor for gabapentin dependence, not as an interaction |
| UK clinical guidelines for alcohol treatment, 2025 | For relapse prevention, gabapentin is “not routinely used in the UK due to the lack of evidence” |
The NHS page is not a rogue outlier: it was last reviewed in February 2026. And silence is silence, not clearance. Where a product information sheet does not mention alcohol, no interaction has been established and written into the licence, which is not the same as the combination being fine.
Alcohol’s one appearance on the label is in section 4.4, where the product information says the risks of dependence and addiction to gabapentin “are increased in individuals with current or past history of substance misuse disorder (including alcohol misuse) or mental health disorder”. Our reading is that the label is less worried about what alcohol does to you on gabapentin than about what gabapentin does to people who already drink heavily, and that most articles on the subject miss it.
The warning the label does carry
The licensed warning is about breathing. Section 4.4 of the Neurontin product information states that gabapentin “has been associated with severe respiratory depression”, with higher risk in “Patients with compromised respiratory function, respiratory or neurological disease, renal impairment, concomitant use of CNS depressants and the elderly.”
Section 4.5 is blunter: “spontaneous and literature case reports of respiratory depression, sedation, and death associated with gabapentin when co-administered with CNS depressants, including opioids”, a particular concern in frail and older patients, serious respiratory disease, polypharmacy, and substance abuse disorders.
The MHRA safety review of 2017 behind that wording rested on 50 UK Yellow Card reports of respiratory depression or breathlessness between 1996 and 2017, of which 17 named opioids. That is a spontaneous reporting scheme across twenty-one years, not a rate: it shows the signal exists and what it clusters around, not how likely it is.
Alcohol is a central nervous system depressant. Our extension, rather than the label’s finding, is that a warning framed around CNS depressants reaches alcohol by implication even though the interactions section does not name it. The 2019 update names alcohol where the label does not.
What happened when researchers put the two together
This half cuts against the caution above. It stays because leaving it off would be dishonest.
One controlled human study, published in 2006, tested seventeen heavy drinkers who were not alcohol dependent, under two active dose levels and placebo. Gabapentin “impaired the ability to balance without producing changes in subjective, physiological or other performance measures”, did not alter how intoxicated people felt or performed, did not reduce craving, and increased alcohol-related heart rate rise.
A second study, published in 2022, is more uncomfortable. Thirteen people with both opioid and alcohol use disorder, maintained on a stable daily opioid, took oxycodone and alcohol alone and together, under gabapentin and placebo. Gabapentin significantly increased how much they liked alcohol, and liked oxycodone plus alcohol, without clinically compromising respiration or vital signs. The authors concluded it “may increase the abuse liability of alcohol and oxycodone plus alcohol”.
Neither study found the combination collapsing anyone’s breathing under laboratory conditions. What the second found instead is arguably worse: gabapentin made alcohol more rewarding.
Both are small single-site studies, neither large enough to detect a rare event such as fatal respiratory depression, and the 2006 study excluded people who were alcohol dependent, the group with most reason to be reading this.
What the UK death data actually counted
The largest UK dataset, a 2022 analysis in the British Journal of Clinical Pharmacology covering deaths in England reported between 2004 and 2020, found 3,051 deaths in which a gabapentinoid was detected, 913 of them involving gabapentin. Opioids were co-detected in 92.0 per cent of cases and alcohol in 24.5 per cent. Gabapentinoid toxicity alone was attributed as the cause in only two cases across the whole series. The authors concluded that “Gabapentinoids alone rarely cause death. Clinically relevant doses can, however, prove fatal, possibly by reducing tolerance to opioids.”
Co-detection is not causation, and our observation is that the alcohol figure gets quoted online as though it were. It establishes that alcohol is present in a substantial minority of fatal cases, and that gabapentin’s dominant lethal partner in the UK is opioids rather than drink.
Gabapentin and treatment for drinking
Gabapentin has been trialled elsewhere as a treatment for alcohol use disorder, most prominently in a randomised trial published in 2020 whose participants had already stopped drinking before they were given it and were supervised throughout, so this trial does not by itself show that gabapentin enables someone who is currently drinking to drink less. The UK clinical guidelines for alcohol treatment say gabapentin is “not routinely used in the UK due to the lack of evidence”, and name acamprosate and naltrexone as the UK first line options for relapse prevention after withdrawal. This is not a self-directed option.
Gabapentin is a controlled drug in the UK
The Home Office circular confirming the change placed gabapentin and pregabalin under “existing codes relating to ‘Other Class C’ drugs” from “00.01 on 1 April 2019”, scheduled as Schedule 3 under the Misuse of Drugs Regulations 2001, with offence codes created for production, supply, possession, and possession with intent to supply.
The MHRA update issued alongside it tells prescribers to “evaluate patients carefully for a history of drug abuse and dependence before prescribing pregabalin and gabapentin” and to “observe patients on pregabalin and gabapentin for possible signs of abuse and dependence”. Those statements of law are quoted rather than interpreted here. Anything turning on your own circumstances is a question for a solicitor.
If the drinking is the part that is hard to stop
Three things are worth taking to a prescriber, whatever the answers. Whether alcohol has become part of how you take the gabapentin rather than something separate. Whether you need the gabapentin to feel level rather than to treat what it was prescribed for. And whether stopping either on your own has ever gone badly. Yes to any of those is a reason to have the conversation. So is no to all three, if you are still uneasy enough to be reading this.
Do not stop gabapentin abruptly. The NHS lists withdrawal effects including agitation, anxiety, panic attacks, palpitations, difficulty sleeping, shaking, sweating, body aches and restlessness, and for people taking it for epilepsy the added risk of seizures returning. If you have been drinking heavily every day, do not stop drinking abruptly on your own either, because unmanaged alcohol withdrawal can be dangerous. Both need a clinician, often the same one.
If someone has taken gabapentin with alcohol or with an opioid and is extremely sedated, breathing slowly or shallowly, or cannot be woken, treat it as an emergency. In the UK call 999. Outside the UK, use your local emergency number.
Talking to Orchid
The Orchid Recovery is a residential addiction and mental health treatment centre in Hang Dong District, Chiang Mai, Thailand, for international English speaking adults.
If alcohol and a prescribed medicine have become tangled together, our programmes are built to unpick that. Our pages on medically supervised alcohol detox, alcohol addiction treatment and prescription drug addiction treatment explain what that involves, and dual diagnosis treatment covers an underlying condition behind the prescription. Our clinical team is listed here, and you can speak to us if it would help.
We have written separately about pregabalin and alcohol, reclassified on the same day, medications for alcohol cravings, medications used in alcohol withdrawal, and the early signs of alcohol dependence. Most people reading this will not need a treatment centre, which is the right outcome.
Sources
- NHS, Common questions about gabapentin
- NHS, About gabapentin
- NHS, Side effects of gabapentin
- electronic Medicines Compendium, Neurontin 300 mg Hard Capsules, Summary of Product Characteristics
- electronic Medicines Compendium, Gabapentin 300mg capsules, Summary of Product Characteristics
- MHRA Drug Safety Update, Pregabalin and gabapentin, risk of abuse and dependence, new scheduling requirements from 1 April, 2019
- MHRA Drug Safety Update, Gabapentin (Neurontin), risk of severe respiratory depression, 2017
- Home Office circular 019/2018, Control of pregabalin and gabapentin under the Misuse of Drugs Act 1971
- UK clinical guidelines for alcohol treatment, chapter 10, pharmacological interventions
- Anton et al, Efficacy of gabapentin for the treatment of alcohol use disorder in patients with alcohol withdrawal symptoms, JAMA Internal Medicine 2020
- Bisaga and Evans, The acute effects of gabapentin in combination with alcohol in heavy drinkers, Drug and Alcohol Dependence 2006
- Castillo et al, Gabapentin increases the abuse liability of alcohol alone and in combination with oxycodone, Pharmacology Biochemistry and Behavior 2022
- Kalk et al, Fatalities associated with gabapentinoids in England, British Journal of Clinical Pharmacology 2022
Frequently Asked Questions
Can you drink alcohol while taking gabapentin?
The MHRA tells prescribers to warn patients about potentially fatal interactions with alcohol. The NHS is more permissive: "Yes, you can drink alcohol while taking gabapentin, but it may make you feel sleepy or tired", with a suggestion to hold off in the first few days until you know how the medicine affects you. Your own prescriber can weigh which of those applies to you.
Is gabapentin and alcohol a dangerous combination?
It depends heavily on who is taking it and what else is involved. The licensed product information does not list alcohol as an interaction at all, and two small human studies found gabapentin did not worsen intoxication or compromise breathing. The seriously documented danger is gabapentin combined with opioids, where case reports of respiratory depression, sedation and death exist. Alcohol adds central nervous system depression to that picture.
Why does the NHS say it is fine when the MHRA warns about it?
They are answering different questions for different audiences. The NHS page speaks to someone taking a prescribed amount as directed, where the practical effect is extra drowsiness. The MHRA notice speaks to prescribers about risk across all patients, including those on opioids, those with respiratory disease and those misusing the drug. Our reading is that both are accurate within their own scope, and the gap between them is one of audience rather than fact.
Is gabapentin a controlled drug in the UK?
Yes. From 1 April 2019 gabapentin has been a Class C controlled drug under the Misuse of Drugs Act 1971 and a Schedule 3 drug under the Misuse of Drugs Regulations 2001, alongside pregabalin. The Home Office circular records offence codes for production, supply, possession, and possession with intent to supply. Anything turning on your own circumstances is a legal question rather than a clinical one.
Does gabapentin help with alcohol cravings or drinking?
It has been trialled for this elsewhere, but UK guidelines do not routinely use gabapentin for it, citing a lack of evidence, and name acamprosate and naltrexone instead. The trial most often cited does not by itself show that gabapentin enables someone who is currently drinking to drink less.
Can I use gabapentin to cut down my own drinking?
No. In the trial most often cited, participants had already stopped drinking before they were given the drug and were supervised throughout, so this trial does not by itself show that gabapentin enables someone who is currently drinking to drink less. None of that describes self-medication. A separate study found gabapentin increased how much people liked alcohol, which is the opposite of what anyone would want here.
What should I do if I have been mixing gabapentin and alcohol regularly?
Tell your prescriber, honestly, including the amount. The licensed product information records that the risk of gabapentin dependence is higher in people with current or past alcohol misuse, so this is exactly the situation the label anticipates. Do not stop gabapentin abruptly, and if you have been drinking heavily every day, do not stop drinking abruptly on your own either. Both need clinical support.
What does treatment involve if I am on a prescription I still need?
A prescribed medicine does not rule out an admission. It is assessed by the psychiatrist on site, who decides what continues, what changes and what needs supervising, in contact with your own prescriber where that is possible. Nothing is stopped simply because you have arrived somewhere new. Ask on +66 985 245 093 before assuming a prescription is a barrier.
