Alcohol Detox Guide

When someone decides to quit drinking alcohol—especially if that person is diagnosed with alcohol use disorder—they should know what to expect during the alcohol detox process. For some individuals, the effects of alcohol withdrawal can be dangerous or even life-threatening without medical intervention. Learn more about the alcohol detox process and how best to protect yourself or a loved one during this process.

What to Expect with Alcohol Detox

When a person seeks treatment for alcohol addiction, usually, the first step in the recovery process is alcohol detoxification. Alcohol detox happens when the body removes any remaining alcohol from the system.

However, when someone who has developed an alcohol dependence stops drinking alcohol, they may experience symptoms of withdrawal during detox. Withdrawal symptoms can range from mild to severe, depending on previous alcohol consumption.

A heavy drinker is more at risk for severe withdrawal symptoms, whereas a less serious drinker may only experience mild symptoms.

Symptoms of Alcohol Withdrawal

For some individuals who have quit drinking after a period of alcohol abuse, the withdrawal symptoms may be relatively minor.

Some of the more common symptoms of alcohol withdrawal include:

  • Anxiety
  • Feeling irritable
  • Insomnia
  • Decreased appetite
  • Cravings for alcohol

Individuals who experience more serious acute withdrawal symptoms are more likely to have been heavy drinkers than those who only experience mild symptoms.

Some of the more severe alcohol withdrawal symptoms include:

  • Increased body temperature (fever)
  • Tremors in hands and arms
  • Disorientation or confusion
  • Sweating
  • Nausea, possible vomiting
  • Increased blood pressure
  • Increased heart rate

Many more severe withdrawal symptoms won’t show up until 48-72 hours after the last drink. For the most extreme cases of withdrawal, delirium tremens may be present. Individuals showing more severe side effects should seek medical care immediately.

Delirium Tremens (DTs)

Delirium tremens is a condition that can occur in individuals with the most severe form of alcohol withdrawal syndrome. The symptoms of delirium tremens can be fatal.

Side effects of delirium tremens can include:

  • Hallucinations (visual and auditory)*
  • Withdrawal seizures
  • Severe disorientation
  • Extreme tremors
  • Inability to regulate blood pressure or heart rate
  • Organ failure
  • Impaired brain function

By seeking medical detox to manage alcohol withdrawal syndrome, patients gain access to medical care during withdrawal.

Alcohol Detox Timeline

Individuals who go through alcohol detox may have varying experiences depending on age, addiction level, other health conditions, etc. However, you can expect the detox process to follow a general timeline.

First 6–12 Hours (Stage 1)

Most people will experience alcohol withdrawal symptoms in the first 6-12 hours following their last drink. During this early stage, your central nervous system begins to feel the impact of no longer getting the sedative effects of alcohol that it had become used to.

Within the first 6-12 hour period, symptoms may include:

  • Nausea
  • Tremors (aka “the shakes”)
  • Anxiety
  • Trouble sleeping
  • Irritability

Days 1–3 (Stage 2)

Stage two of alcohol detox occurs within the 24 to 72-hour mark. During this phase of withdrawal, symptoms will begin to peak. In addition, some of the more severe withdrawal symptoms can begin to appear.

Seizure risks are the highest during stage two. In addition to seizures, prolonged sleep disturbances, mood changes, and fatigue can also be present.

Stage two possible symptoms:

  • Nausea
  • Stronger tremors
  • Fatigue
  • Changes in mood (anxious, irritable)
  • Brain fog
  • Hallucinations
  • Seizures
  • Delirium tremens (DTs)

One Week (Stage 3)

For some individuals, the next week or more may also present symptoms. As the central nervous system returns to normal functioning, severe side effects will likely wane. However, people recovering from alcohol use disorder, in particular, should try to manage expectations during stage three.

Sometimes, mild symptoms may continue to present over this time period. While these symptoms will not be serious, they can be disruptive and discouraging. Whether or not symptoms continue during stage three will rely upon the individual, their history with alcohol use (length of time, amount consumed, etc.), and any additional health factors.

Home Detox vs. Medically Supervised Detox

When going through detox from any substance use, your safest option is to consult a healthcare professional beforehand. Some withdrawal symptoms—including those that appear from alcohol—can be dangerous or even deadly.

Choosing a Home Detox

Mild alcohol addiction can usually mean mild withdrawals and would therefore be safe to go through at home. However, it is best to seek medical advice from a healthcare professional about the risks involved with your individual situation.

If a healthcare professional approves at-home detoxification, you can anticipate experiencing mild withdrawal symptoms as listed above.

During a home detox, the following practices may:

  • Hydration: Keeping yourself hydrated during alcohol detox will assist your body with naturally flushing out any relevant chemicals.
  • Balanced Diet: Eating healthy, nutrient-rich foods will support your body’s healing and fuel you as your body adjusts to the lack of alcohol it had gotten used to.
  • Rest: Be sure to get plenty of rest and maintain a normal sleep schedule, allowing your body to continue healing.

If you choose to do a home detox, it is ideal to check with a medical professional to ensure that it is safe for you to do without medical supervision. During detox, seek medical attention as soon as possible if you experience more severe symptoms.

Choosing a Medically Supervised Detox

In some cases, medical detox is the safer choice when detoxing from alcohol use—especially when heavy drinking was the case beforehand. Medical detox allows the recovering individual to go through alcohol withdrawals under medical supervision to ensure their safety.

As mentioned above, more acute withdrawal symptoms can be life-threatening. Having access to medical personnel can be critical.

Medically-supervised detox can be provided on an inpatient or an outpatient level, depending on the severity of previous alcohol use. Various treatment programs are available to assist you through the detox process and provide peace of mind.

Besides monitoring your vitals and working to keep you safe, your medical detox team may also prescribe you certain medications to assist you through the withdrawal process. Some of these medications are designed to lessen the alcohol withdrawal symptoms, while others are meant to help you resist the urge to relapse and return to drinking.

Medications Used During Alcohol Detox

Here are some of the most common medications utilized to treat alcohol use disorder during the detoxification process:

  • Benzodiazepines: Can be used for their sedative effects to prevent withdrawal seizures. Such benzodiazepines may include: chlordiazepoxide (Librium®), diazepam (Valium®), and lorazepam (Ativan®).
  • Naltrexone: More commonly prescribed during the late withdrawal stage to prevent relapse.
  • Acamprosate: Another common choice for preventing relapse, usually after the main withdrawal symptoms have subsided.
  • Disulfiram: Helpful for relapse prevention by causing an unpleasant reaction to drinking alcohol.

Continuing Support for Alcohol Use Disorder

In many cases, aftercare for alcohol use disorder can be just as important as the detox process.

After withdrawal symptoms have subsided, many individuals seek mental health treatment. Alcohol use disorder takes a toll on the individual mentally and emotionally, not just physically.

Support groups and individual counseling via psychiatry can provide separate but similar benefits to help you or your loved one continue their healing.

Additionally, you or your loved one may already be enrolled in an alcohol rehabilitation program (inpatient or outpatient), and the detox process was just the first step in your journey. Whatever the case, once detox is complete, you have finished one of the most critical steps in alcohol addiction treatment.

Ready to Tackle Alcohol Detox?

Not sure what alcohol detox treatment options are available to you? You can talk to your doctor or visit the Substance Abuse and Mental Health Services Administration (SAMHSA) program locator to see what treatment facilities are near you.

Frequently Asked Questions About Alcohol Detox

How successful is alcohol detox?

Individuals who seek treatment for alcohol or substance use disorder are 50-75% more likely to succeed in their overall recovery journey. While alcohol detox has some general similarities, each person’s experience can differ slightly.

Individuals with a strong support system and a willingness to improve tend to experience more success overall.

Is medically-assisted alcohol detox covered by insurance?

Yes, in many cases insurance (including Medicare) will cover medically-assisted alcohol detox. You should speak with your insurance provider to find out what exactly is covered when it comes to treatment for alcohol use disorder, including medical detox services.

How can I prevent relapse after alcohol detox?

Relapse prevention comes in a variety of methods. Having a strong support system, through either family or support groups (such as Alcoholics Anonymous), can make a huge difference in relapse prevention. In some cases, medication will be prescribed to aid the recovering alcoholic. These medications prevent relapse by eliminating the effects of alcohol or reducing cravings.

How long does alcohol detox take?

The average alcohol detox process takes between 3 to 7 days. The length of time and severity of withdrawal symptoms will depend on some individual factors, including:

  • Age
  • Other health issues
  • Length of time person drank
  • Amount person drank

Is long-term sobriety possible?

Long-term sobriety is completely possible, and many people have remained sober for decades! Groups such as Alcoholics Anonymous (AA) provide a fantastic support system for individuals to help them maintain their sobriety.

Kent S. Hoffman, D.O. is a founder of Addiction GuideReviewed by:Kent S. Hoffman, D.O.

Chief Medical Officer & Co-Founder

  • Fact-Checked
  • Editor

Kent S. Hoffman, D.O. has been an expert in addiction medicine for more than 15 years. In addition to managing a successful family medical practice, Dr. Hoffman is board certified in addiction medicine by the American Osteopathic Academy of Addiction Medicine (AOAAM). Dr. Hoffman has successfully treated hundreds of patients battling addiction. Dr. Hoffman is the Co-Founder and Chief Medical Officer of AddictionHelp.com and ensures the website’s medical content and messaging quality.

Jessica Miller is the Content Manager of Addiction GuideWritten by:

Content Manager

Jessica Miller is a USF graduate with a Bachelor’s Degree in English. She has written professionally for over a decade, from HR scripts and employee training to business marketing and company branding. In addition to writing, Jessica spent time in the healthcare sector (HR) and as a high school teacher. She has personally experienced the pitfalls of addiction and is delighted to bring her knowledge and writing skills together to support our mission. Jessica lives in St. Petersburg, FL with her husband and two dogs.

6 references
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  2. Centers for Disease Control and Prevention. (2018, February 1). Alcohol & Substance Misuse. Centers for Disease Control and Prevention. Retrieved February 4, 2023, from https://www.cdc.gov/workplacehealthpromotion/health-strategies/substance-misuse/index.html

  3. Ratini, M. (2021, November 26). Alcohol withdrawal: Symptoms, treatment and alcohol detox duration. WebMD. Retrieved February 4, 2023, from https://www.webmd.com/mental-health/addiction/alcohol-withdrawal-symptoms-treatments#1

  4. A research-based edition) – veterans affairs. (n.d.). Retrieved February 4, 2023, from https://www.va.gov/HOMELESS/nchav/resources/docs/interventions/contingency-management/NIDA-principles-of-drug-addiction-treatment-a-research-based-guide-third-edition-508.pdf

  5. Saitz, R. (1998). Introduction to alcohol withdrawal. Alcohol health and research world. Retrieved February 4, 2023, from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6761824/

  6. Center for Substance Abuse Treatment. Detoxification and Substance Abuse Treatment. Treatment Improvement Protocol (TIP) Series, No. 45. HHS Publication No. (SMA) 15-4131. Rockville, MD: Center for Substance Abuse Treatment, 2006. Retrieved February 4, 2023, from https://store.samhsa.gov/sites/default/files/d7/priv/sma15-4131.pdf

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