Alcohol detoxification
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Alcohol detoxification (also known as ''detox'') is the abrupt cessation of alcohol intake in individuals that have alcohol dependence. This process is often coupled with substitution of drugs that have effects similar to the effects of alcohol in order to prevent
alcohol withdrawal Alcohol withdrawal syndrome (AWS) is a set of symptoms that can occur following a reduction in alcohol use after a period of excessive use. Symptoms typically include anxiety, shakiness, sweating, vomiting, fast heart rate, and a mild fever. M ...
. When withdrawal does occur, it results in symptoms of varying severity. As such, the term "detoxification" may be somewhat of a misnomer since the process need not refer exclusively to the removal of toxic substances from the body. Detoxification may or may not be indicated depending upon an individual's age, medical status, and history of alcohol intake. For example, a young man who binge drinks and seeks treatment one week after his last use of alcohol may not require detoxification before beginning treatment for alcohol use disorder.


Withdrawal symptoms

The symptoms of alcohol withdrawal can range from mild to severe depending on the level of alcohol dependence a person has experienced. Symptoms can be behavioural (anxiety, agitation, irritability), neurological (tremor, hallucinations, increased risk of seizures), and physical (changes in heart rate, body temperature, blood pressure, nausea). Symptoms typically occur between 6 and 24 hours since cessation of drinking. In severe cases delirium tremens may occur, which is a medical emergency and could result in death.


Management

Benzodiazepines are the most common family of drugs used for alcohol detoxification,Full text
at OVID
followed by barbiturates.


Benzodiazepines

Benzodiazepines such as
chlordiazepoxide Chlordiazepoxide, trade name Librium among others, is a sedative and hypnotic medication of the benzodiazepine class; it is used to treat anxiety, insomnia and symptoms of withdrawal from alcohol and other drugs. Chlordiazepoxide has a medium t ...
(Librium),
diazepam Diazepam, first marketed as Valium, is a medicine of the benzodiazepine family that acts as an anxiolytic. It is commonly used to treat a range of conditions, including anxiety, seizures, alcohol withdrawal syndrome, muscle spasms, insomnia, ...
(Valium),
lorazepam Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. It is used to treat anxiety disorders, trouble sleeping, severe agitation, active seizures including status epilepticus, alcohol withdrawal, and c ...
(Ativan) or
oxazepam Oxazepam is a short-to-intermediate-acting benzodiazepine. Oxazepam is used for the treatment of anxiety and insomnia and in the control of symptoms of alcohol withdrawal syndrome. It is a metabolite of diazepam, prazepam, and temazepam, and ha ...
(Serax) are the most commonly used drugs used to reduce alcohol withdrawal symptoms. There are several treatment patterns in which it is used. # The first option takes into consideration the varying degrees of tolerance. In it, a standard dose of the benzodiazepine is given every half-hour until light sedation is reached. Once a baseline dose is determined, the medication is tapered over the ensuing 3 to 10 days. # Another option is to give a standard dose of benzodiazepine based on history and adjust based on withdrawal phenomenon # A third option is to defer treatment until symptoms occur. This method should not be used in patients with prior, alcohol-related seizures. This has been effective in randomized controlled trials. A non-randomized, before and after, observational study found that symptom-triggered therapy was advantageous. Dosing of the benzodiazepines can be guided by the
CIWA The Clinical Institute Withdrawal Assessment for Alcohol, commonly abbreviated as CIWA or CIWA-Ar (revised version), is a 10-item scale used in the assessment and management of alcohol withdrawal. Each item on the scale is scored independently, and ...
scale. The scale is available online.
see appendix 2
Regarding the choice of benzodiazepine: * Chlordiazepoxide (Librium) is the benzodiazepine of choice in uncomplicated alcohol withdrawal due to its long half-life. * Lorazepam or diazepam is available as an injection for patients who cannot safely take medications by mouth. * Lorazepam and oxazepam are indicated in patients with impaired liver function because they are metabolised outside of the liver.


Nitrous oxide

Nitrous oxide Nitrous oxide (dinitrogen oxide or dinitrogen monoxide), commonly known as laughing gas, nitrous, or nos, is a chemical compound, an oxide of nitrogen with the formula . At room temperature, it is a colourless non-flammable gas, and has ...
has been shown to be an effective and safe treatment for alcohol withdrawal. Over 20,000 cases of the alcoholic withdrawal state have been successfully treated with psychotropic analgesic nitrous oxide (PAN) in South Africa and Finland. In 1992 it was officially approved for the treatment of addictive withdrawal states by the medical authorities in South Africa. Consequently, patients receiving it can claim a refund from their medical insurance. The gas therapy reduces the use of highly addictive sedative medications (like benzodiazepines and barbiturates) by over 90%. The technique thus reduces the danger of secondary addiction to benzodiazepines, which can be a real problem amongst alcoholics who have been treated with these agents.South African Brain Research Institute
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Other

Randomized controlled trials have found benefit from
atenolol Atenolol is a beta blocker medication primarily used to treat high blood pressure and heart-associated chest pain. Atenolol, however, does not seem to improve mortality in those with high blood pressure. Other uses include the prevention of mi ...
and clonidine. A
randomized controlled trial A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control. Examples of RCTs are clinical trials that compare the effects of drugs, surgical te ...
has found benefit from
carbamazepine Carbamazepine (CBZ), sold under the trade name Tegretol among others, is an anticonvulsant medication used primarily in the treatment of epilepsy and neuropathic pain. It is used as an adjunctive treatment in schizophrenia along with other m ...
. Some hospitals administer alcohol to prevent alcohol withdrawal although there are potential problems with this practice. Various vitamins, especially from the B group, are often used during alcohol withdrawal treatment.
Sodium oxybate Sodium oxybate, sold under the brand name Xyrem among others, is a medication used to treat two symptoms of narcolepsy: sudden muscle weakness and excessive daytime sleepiness. It is used sometimes in France and Italy as an anesthetic given i ...
is the sodium salt of gamma-hydroxybutyric acid (GHB). It is used for both acute alcohol withdrawal and medium-to-long-term detoxification. This drug enhances GABA neurotransmission and reduces glutamate levels. It is used in
Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
in small amounts under the trade name
Alcover Alcover is a municipality in the ''comarca'' of Alt Camp, Tarragona, Catalonia, Spain. The Prades Mountains are located in the vicinity of this municipality. It is the birthplace of the footballer A football player or footballer is a sport ...
.
Baclofen Baclofen, sold under the brand name Lioresal among others, is a medication used to treat muscle spasticity such as from a spinal cord injury or multiple sclerosis. It may also be used for hiccups and muscle spasms near the end of life. It is ta ...
has been shown in animal studies and in small human studies to enhance detoxification. This drug acts as a GABA B receptor agonist and this may be beneficial. Phenibut is used in Eastern Europe for alcohol detoxification as it has sedative and anxiolytic effects.


See also

*
Drug detoxification Drug detoxification (informally, detox) is variously the intervention in a case of physical dependence to a drug; the process and experience of a withdrawal syndrome; and any of various treatments for acute drug overdose. A detoxification program ...
*
Detoxification Detoxification or detoxication (detox for short) is the physiological or medicinal removal of toxic substances from a living organism, including the human body, which is mainly carried out by the liver. Additionally, it can refer to the period of ...
, the process, real or perceived, of removing toxins from the body.


References

{{DEFAULTSORT:Alcohol Detoxification Alcohol and health Detoxification