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Can Alcohol Withdrawal Cause a Seizure?

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Drinking alcohol in small amounts generally does not trigger seizures, but seizures can result from alcohol withdrawal when you’re dependent on alcohol or drink heavily.

Article at a Glance:

Drinking alcohol in small amounts generally does not trigger seizures, but seizures can result from alcohol withdrawal.

People who drink in moderation are not likely to experience seizures.

Binge drinking can cause alcohol withdrawal seizures in people, even for individuals who do not have epilepsy.

Alcohol withdrawal seizures can occur within a few hours or up to 72 hours after stopping drinking.

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Can Alcohol Withdrawal Cause Seizures?

Alcohol withdrawal can trigger a seizure. In fact, people struggling with chronic alcohol abuse increase their risk of developing seizures when they suddenly stop drinking. A study by The Recovery Village found heavy drinkers were 45% more likely than light or moderate drinkers to experience seizures during withdrawal and 73% more likely to have had a seizure in general.

Related Topic: How To Wean Off Alcohol

Withdrawal seizures can begin within just a few hours after stopping drinking, or they can take up to 72 hours to start. Withdrawal is something that happens when your body has become dependent on the presence of drugs or alcohol. When you suddenly stop using that substance, your body goes through withdrawal symptoms as it adjusts to the absence of the addictive substance; this is why alcohol and seizures have a relationship with one another. If you are dependent on alcohol, it’s important to participate in a medically supervised detox program, which can help alleviate the risks of the situation.

What Is an Alcohol Withdrawal Seizure?

An alcohol withdrawal seizure is a serious complication that can occur when someone who has been drinking heavily for an extended period suddenly reduces or stops their alcohol intake. When a person consumes alcohol regularly, their brain and body become accustomed to its presence. Over time, the central nervous system adapts to alcohol’s depressant effects by increasing activity in certain neurotransmitter systems to maintain balance. When alcohol is abruptly removed, the body’s finely tuned equilibrium is disrupted, leading to a cascade of withdrawal symptoms.

Most alcohol withdrawal seizures are generalized tonic-clonic seizures, commonly referred to as “grand mal” seizures. These involve a loss of consciousness and violent muscle contractions throughout the body. Seizures typically happen within 6 to 48 hours after the last drink, but the exact timing can vary based on the individual’s drinking history and other health factors.

Alcohol withdrawal seizures pose significant health risks. If they progress, a person may be susceptible to more severe complications, such as delirium tremens (DTs), a life-threatening condition characterized by confusion, severe agitation, and autonomic instability (e.g., rapid heartbeat, fever, sweating). Not everyone who quits drinking develops seizures or DTs, but those with a history of heavy, chronic alcohol use, prior withdrawal seizures, or co-occurring medical conditions are at higher risk.

Because of the unpredictability and potential severity of withdrawal seizures, medical supervision is crucial. If you or a loved one experiences symptoms of alcohol withdrawal—ranging from tremors, insomnia, and anxiety to seizures—reach out for professional help immediately. Early intervention can dramatically reduce the risk of serious complications and set the stage for a safer, more effective recovery process.

Why Does Alcohol Withdrawal Cause Seizures?

Alcohol acts by stimulating receptors in your brain that cause brain activity to be suppressed. Alcohol itself does not normally cause seizures, but during withdrawal, when the suppressive activity of alcohol is removed, your brain will be more susceptible to seizures than it normally would. There are some specific considerations that may affect your risk of seizures when using alcohol.

Binge Drinking Seizures

Binge drinking and alcohol withdrawal together can cause seizures, even in people not previously diagnosed with epilepsy. Binge drinking refers to a scenario where you drink a lot in a short period of time, and the seizures related to binge drinking can stem from withdrawal. Even if you’re not a chronic drinker, in some cases, you may also experience withdrawal seizures after binge drinking.

Epilepsy

Long-term alcohol use can increase your risk of developing epilepsy, a condition where you are prone to having seizures. While the reason for this is not fully understood, alcohol does create changes in receptors in your brain that affect your likelihood of having a seizure. While epilepsy can develop on its own in people who do not use alcohol, long-term alcohol use will increase the risk of epilepsy developing in some people.

People with epilepsy should consult their doctor before using alcohol, as alcohol can affect epilepsy medications. Alcohol use can also trigger seizures in people with epilepsy if withdrawal symptoms begin to occur. Epilepsy can cause seizures to occur with more mild levels of alcohol withdrawal than would occur in most people.

Can Drinking Alcohol Cause Seizures?

Drinking alcohol does not normally cause seizures. Rather, the risk of alcohol withdrawal seizures is more of a concern. Developing a tolerance for alcohol has a direct impact on the central nervous system. For abusers, the cessation of drinking can significantly increase the seizure threshold. There is no definitive cutoff for what amount of alcohol you have to drink to experience withdrawal symptoms that increase the risk of seizures. As a general rule, the longer you have been drinking over time and the more you drink, the higher your risk for developing withdrawal symptoms, which may include seizures.

Treatment for Alcohol Use Disorder (AUD)

Alcohol use disorder (AUD) encompasses a spectrum of drinking behaviors, from risky or harmful use to alcohol dependence. Effective treatment aims to address both the physical dependence on alcohol and the psychological factors that contribute to alcohol misuse. Successful long-term recovery typically involves a combination of medical support, psychosocial therapies and community-based resources.

While it is common to think of “quitting alcohol” as a single act, in reality, lasting sobriety often involves multiple phases of care, beginning with detoxification (detox) and continuing with therapies designed to sustain recovery and prevent relapse. Below are common treatment approaches that can help individuals navigate detox, manage withdrawal symptoms—including the risk of seizures—and support ongoing recovery.

Detox Goals

Detoxification marks the first phase of treatment for AUD. During detox, the body clears itself of alcohol and adjusts to functioning without it. The primary goals of detox are:

  • Safe and Supportive Environment: Because alcohol withdrawal can trigger dangerous symptoms (including seizures, heart palpitations and severe agitation), a medically supervised setting is often necessary. In a structured environment, trained healthcare professionals can closely monitor vital signs, manage discomfort and quickly address any emerging complications.
  • Symptom Management: Beyond preventing severe complications, detox professionals aim to reduce withdrawal symptoms like anxiety, insomnia, tremors and nausea. This helps ease the individual into sobriety with minimal distress.
  • Preparation for Long-Term Treatment: Detox alone does not cure AUD. Instead, detox lays the groundwork for deeper therapeutic work. Once withdrawal symptoms have stabilized, people can engage more effectively in counseling, group therapy and other components of a long-term recovery plan.

Medications

Medication can be an essential tool in the treatment of AUD, especially when there is a high risk of seizures. Medical professionals may use various types of medications, including:

  • Benzodiazepines: These are often the first-line treatment for alcohol withdrawal. They help reduce the hyperexcitability of the central nervous system that leads to seizures. Benzodiazepines like diazepam or chlordiazepoxide can be given on a fixed schedule or “as needed” based on withdrawal symptoms.
  • Anti-Seizure Medications: Certain antiseizure drugs (e.g., gabapentin) may be used adjunctively to manage mild to moderate withdrawal symptoms or to support symptom control after a benzodiazepine course.
  • Alcohol-Specific Medications: Once withdrawal has stabilized, some people benefit from medications that reduce cravings or discourage drinking, such as naltrexone, acamprosate or disulfiram. While these do not treat the acute risk of seizures, they can help support long-term recovery by lowering the likelihood of relapse.

Medication-assisted treatment (MAT) works best when combined with counseling and peer support, as part of a comprehensive approach to recovery. A personalized medication plan can help mitigate withdrawal risks, alleviate cravings and create a safer environment for therapy to be most effective.

Addiction Treatment

Detox and withdrawal management are just the beginning of the recovery journey. To achieve long-lasting sobriety, individuals often benefit from structured treatment programs that include therapy, social support and healthy lifestyle strategies. Below are some common treatment methods and programs that address the behavioral and psychological aspects of AUD.

Behavioral Therapies

Behavioral therapies help individuals identify and modify patterns of thought and behavior that contribute to alcohol misuse. One widely used approach is Cognitive Behavioral Therapy (CBT). CBT focuses on recognizing triggers (e.g., stress, social pressures) and developing healthier coping strategies to avoid relapse. By learning to challenge negative thought patterns and replace them with constructive alternatives, people build the resilience needed to maintain sobriety.

Other approaches, like Motivational Interviewing (MI), tap into a person’s intrinsic motivation. Through empathetic, goal-oriented counseling, MI helps individuals resolve ambivalence about quitting alcohol and solidify their commitment to recovery.

Group and Individual Psychotherapy

  • Group therapy can be highly effective for people recovering from AUD, as it fosters a sense of community and shared understanding. In a group setting, participants learn from each other’s experiences, offer mutual support and hold one another accountable. Peer support groups—such as 12-step groups or other mutual support fellowships—can provide ongoing encouragement and a nonjudgmental space to discuss challenges in recovery.
  • Individual psychotherapy offers a more personalized approach. Meeting one-on-one with a trained therapist allows individuals to delve deeper into personal issues that may contribute to drinking, such as unresolved trauma, relationship conflicts or co-occurring mental health disorders (e.g., depression or anxiety). This format ensures a safe, confidential environment where individuals can explore sensitive topics at their own pace.

Family Therapy

Family dynamics can play a pivotal role in both the development of and recovery from AUD. Family therapy sessions bring together spouses, siblings, parents and other close relatives to address dysfunctional patterns and improve communication skills. By helping families understand the nature of addiction and its impact, therapy sessions create a supportive atmosphere that can reinforce the individual’s commitment to sobriety.

Moreover, family therapy offers loved ones an opportunity to learn healthy boundaries, cope with the emotional toll of a family member’s addiction and strengthen their own resiliency. A united family front can be instrumental in maintaining long-term recovery success.

Treatment Programs

Recovery often thrives within structured treatment programs that can be tailored to the severity of the AUD and individual needs:

  • Residential (Inpatient) Treatment: People with severe AUD or those at high risk of complications (including withdrawal seizures) may benefit from 24/7 care in a residential facility. In this immersive setting, medical staff and mental health professionals are available at all times, ensuring prompt intervention if complications arise. Inpatient treatment also provides an environment free from temptations or triggers.
  • Partial Hospitalization Programs (PHPs): PHPs offer comprehensive care during the day while allowing individuals to return home at night. This option can be suitable for those who need structured support but have stable housing and do not require continuous, overnight care.
  • Intensive Outpatient Programs (IOPs): IOPs involve several weekly therapy sessions but allow participants to maintain their regular schedules outside treatment hours. These programs can serve as a step down from residential care or as an initial option for those with strong support networks.
  • Outpatient Treatment: Standard outpatient programs typically involve fewer therapy hours per week and greater independence for the participant. This level of care is most appropriate for people with milder forms of AUD or those who have already completed higher levels of treatment and are transitioning back into daily life.

Regardless of the level of care, ongoing support is crucial for recovery. Many individuals benefit from continued participation in 12-step groups, peer support networks or aftercare programs to maintain accountability and find fellowship on the path to sobriety.

FAQs About Alcohol-Related Seizures

Alcohol seizures are complex occurrences with much to discover. Below is a collection of FAQs based on what we do know about this subject.

What is an alcohol withdrawal seizure?

Alcohol naturally suppresses brain activity. When this effect occurs deeply or over a long period of time, brain activity can rebound during alcohol withdrawal, exceeding normal levels and creating the risk of a seizure. Someone with an alcohol withdrawal seizure may experience convulsions and lose consciousness. If an alcohol withdrawal seizure occurs, it is a medical emergency.

What does an alcohol withdrawal seizure feel like?

An alcohol withdrawal seizure may feel like a loss of consciousness, which you are slow to wake up from. If you are conscious during an alcohol withdrawal seizure, you may experience repetitive, uncontrolled movements of part or all of your body. Prior to the seizure, you may also experience an “aura,” consisting of an unusual visual change, smell, taste, or sound caused by abnormal brain activity.

What to do if someone has a seizure from alcohol withdrawal?

If someone has a seizure from alcohol withdrawal symptoms, you should move things out of the way that they could accidentally hurt themselves with during the seizure. You should not try to touch them or hold them during the seizure. You should also call 911 and get emergency medical help as soon as possible, even if the seizure has stopped. After the seizure, you should position them on their side and ensure that their airway is clear while waiting for emergency assistance.

What happens when seizure medication is mixed with alcohol?

Alcohol has the potential to enhance some side effects of anti-seizure medications, including drowsiness and dizziness. Alcohol can also impact how certain medications are absorbed by the body. Do not mix anti-seizure medication and alcohol without first speaking to a physician.

How long after you quit drinking may you experience a seizure?

Alcohol withdrawal seizures may begin within hours to days of stopping alcohol use or starting an alcohol detox. The timeframe will be different for everyone, but seizures will normally start within the first 72 hours.

Can a person with epilepsy drink alcohol?

Someone with epilepsy should not drink alcohol without first discussing the potential risks with a doctor who is familiar with their specific condition.

What can trigger a seizure?

There are many potential triggers for someone who is prone to seizures. Flashing lights, especially repetitive on and off or patterns, may trigger a seizure. However, someone who is having an alcohol withdrawal seizure may not need any trigger other than stopping alcohol use.

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Sources

Schachter, Steven C., Shafer, Patty Obsorne, & Sirven, Joseph I. “Alcohol.” Epilepsy Foundation, July 2013. Accessed August 4, 2021.

Christoffersen, S. “Death from seizures induced by chronic alcohol abuse—Does it exist?” Seizure, July 2007.  Accessed August 4, 2021.

Epilepsy Ontario. “Alcohol and Seizures.” 2018. Accessed August 4, 2021.

Hillbom, Matti; Pieninkeroinen,  Ilkka; & Leone, Maurizio. “Seizures in alcohol-dependent patients: […]logy and management.” CNS Drugs. 2003. Accessed August 4, 2021.

Morelli, Jim. “Seizure Medications.” RxList, April 7, 2021. Accessed August 4, 2021.

Schachter, Steven C., Shafer, Patty Obsorne, & Sirven, Joseph I. “What Happens During a Seizure?” Epilepsy Foundation, March 19, 2014. Accessed August 4, 2021.

Schachter, Steven C., Shafer, Patty Obsorne, & Sirven, Joseph I. “Triggers of Seizures.” Epilepsy Foundation, August 2013. Accessed August 4, 2021.

Medical Disclaimer

The Recovery Village aims to improve the quality of life for people struggling with substance use or mental health disorder with fact-based content about the nature of behavioral health conditions, treatment options and their related outcomes. We publish material that is researched, cited, edited and reviewed by licensed medical professionals. The information we provide is not intended to be a substitute for professional medical advice, diagnosis or treatment. It should not be used in place of the advice of your physician or other qualified healthcare providers.

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