The combination of benzodiazepines and alcohol is a big public health concern mainly due to the increased risks associated with their collective use. Benzodiazepines, usually prescribed for anxiety and insomnia, and alcohol, a commonly consumed depressant, can both affect the central nervous system. When taken together, these substances enhance each other’s effects, increasing the likelihood of dangerous outcomes.
Many individuals underestimate the risks of mixing benzos and alcohol, usually due to a lack of awareness. However, research confirms this interaction triggers severe threats to physical and mental health, highlighting the need for greater public understanding and caution. [1] This article discusses the mechanisms and dangers of the combined use of benzodiazepines and alcohol.
Alcohol and Benzodiazepines – How They Interact?
The interaction between benzodiazepines and alcohol primarily stems from their effects on the central nervous system. Both substances are categorized as depressants, which means they decrease activity in the brain, producing calming and sedative effects. When used together, their combined impact can overwhelm the body’s natural regulatory mechanisms, resulting in higher risks. The following is an overview of this interaction between alcohol and benzos:
Shared mechanism of action
According to studies, benzodiazepines and alcohol enhance the activity of GABA, a neurotransmitter that controls brain activity and promotes relaxation. Benzodiazepines increase GABA’s binding efficiency at GABA-A receptors, while alcohol similarly stimulates these receptors. The collective use of both substances leads to a cumulative impact, suppressing the CNS activity. The synergistic action can also slow down vital functions like breathing, heart rate, and reflex responses, which contribute to the likelihood of dangerous outcomes. [2] [3]
Intense sedative effects
When taken together, benzodiazepines and alcohol enhance each other’s sedative effects, causing extreme drowsiness and reduced cognitive function. As a result, individuals can become excessively sedated, unable to respond to stimuli, or even lose consciousness. The intense sedation also increases the likelihood of accidents, such as motor vehicle incidents, as the substances negatively impact judgment and physical coordination.
Impact on metabolism and clearance
The liver plays a vital role in metabolizing benzodiazepines and alcohol. When consumed together, the liver becomes overburdened, which slows down the clearance of both substances from the body. The prolonged presence of benzos and alcohol worsens their effects, intensifying sedation and adding to the chances of toxicity. For individuals with pre-existing liver conditions, this interaction becomes even more dangerous, as the body cannot process and eliminate these substances.
Cognitive and emotional regulation
The collective use of benzodiazepines and alcohol adversely impacts normal brain function, primarily affecting areas responsible for decision-making and emotional regulation. This interference can pave the way for risky behaviors, such as consuming higher doses and ignoring major warnings. The disinhibition due to alcohol, combined with the calming effects of benzodiazepines, usually makes individuals underestimate the severity of their impairment.
Using Alcohol & Benzodiazepines: The Consequences
What is likely to occur if someone consumes alcohol while also taking benzodiazepines is a common question that crosses the minds of many people. According to studies, mixing both can cause several serious health issues because of the collective effects of these substances, such as the following:
Respiratory depression
One of the most severe consequences of mixing alcohol and benzodiazepines is respiratory depression. Both substances suppress the respiratory centers in the brain, which can slow down breathing rates. When taken together, the suppression becomes more intense, increasing the risk of oxygen deprivation and damage to vital organs, including the brain. Studies show prolonged respiratory depression can also result in respiratory failure, a life-threatening condition that needs immediate medical intervention. [4]
Cardiovascular complications
The collective depressant effects of benzodiazepines and alcohol also impair the cardiovascular system. Blood pressure can drop to dangerously low levels, a condition known as hypotension that can restrict blood flow to vital organs. The heart rate may also slow down considerably, potentially causing arrhythmias or, in extreme cases, cardiac arrest. These risks are exceptionally high in individuals with pre-existing health conditions.
Neurological damage
The dual use of alcohol and benzodiazepines severely disrupts brain function, adding to the risk of neurological damage over time. Chronic use of these substances together also causes structural changes in the brain, including damage to the hippocampus, which impacts memory and learning. The damage can result in long-term cognitive issues, making it difficult for individuals to focus, process, or retain information and memories effectively.
Increased risk of accidental injuries
The issues due to alcohol and benzodiazepines can significantly increase the likelihood of getting into accidents. Decreased motor coordination and slowed reaction times due to this combination can also lead to a higher risk of falling, vehicular accidents, and other injuries. These injuries can be minor or severe, including fractures, concussions, and traumatic brain injuries.
Psychiatric complications
The mixture of alcohol and benzodiazepines can exacerbate underlying psychiatric conditions or trigger new ones. Both substances impact mood regulation, adding to emotional instability. Over time, this combination can result in chronic depression, anxiety, or even substance-induced psychosis. Such psychiatric issues usually complicate treatment and require specialized interventions.
Impaired immune function
Long-term use of alcohol and benzodiazepines together can suppress the immune system, making the body more vulnerable to infections and illnesses. Studies show this suppression is because of the strain on the body’s regulatory systems, leaving it incapable of fighting pathogens. Over time, chronic immune dysfunction can result in more frequent and severe health complications. [5]
Liver damage
The liver is responsible for metabolizing alcohol and benzodiazepines. When these substances are consumed together, the liver becomes overwhelmed, causing increased toxicity. Over time, strain can cause liver inflammation, fatty liver disease, or even cirrhosis.
Gastrointestinal complications
Combining benzodiazepines and alcohol can disturb normal gastrointestinal functioning. Their chronic use may also cause ulcers, acid reflux, or severe nausea because of the irritating impacts of alcohol and the sedative influence of benzodiazepines on digestive processes. These issues may worsen over time, affecting overall nutritional health and recovery.
Sleep disorders
While alcohol and benzodiazepines are known for their sedative effects, their collective use can paradoxically disrupt sleep health. Instead of restorative rest, the combination leads to disturbed sleep cycles, early awakenings, or chronic insomnia. Over time, disturbed sleep patterns can worsen mental health issues and decrease the body’s ability to heal and regenerate.
Can Consuming Benzos with Alcohol Lead to an Overdose?
Mixing alcohol and benzodiazepines increases the risk of an overdose. Typically, overdose can occur and be controlled in the following ways:
How does an overdose of Benzos and alcohol happen
Since benzodiazepines and alcohol slow down brain activity, they can suppress vital functions like breathing and heart rate. This collective effect can reach dangerous levels when taken together excessively without medical supervision. The liver struggles to metabolize both substances simultaneously, leading to long-term drug activity in the blood. This toxic buildup elevates the risk of severe health issues, which pave the way for fatal outcomes.
Symptoms of overdose
Identifying the symptoms of an overdose is crucial for timely intervention. The signs vary in severity but generally include:
- Extreme drowsiness or inability to stay awake.
- Slowed or irregular breathing.
- Extreme confusion or disorientation.
- Weak or slow reflexes.
- Lack of motor coordination.
- Unresponsiveness to stimuli or verbal cues.
- Blue-tinted lips or fingertips, also known as cyanosis.
- Loss of consciousness or coma.
These symptoms indicate a medical emergency requiring urgent intervention to prevent fatal complications.
Factors that increase the risk of overdose
Certain factors add to the risk of overdose when combining alcohol and benzodiazepines. These include consuming large quantities of either substance and taking short-acting or high-potency benzodiazepines. Mixing these substances recreationally can further increase the risks.
Potential outcomes of overdose
The consequences of an alcohol and benzodiazepine overdose can be life-threatening. Severe respiratory depression may cause brain damage, while cardiovascular issues can lead to cardiac arrest. Prolonged unconsciousness adds to the risk of aspiration pneumonia or other secondary complications. In many cases, an overdose can result in death without timely medical intervention.
Combining Alcohol and Benzos: Who is at Risk of Complications?
While the risks of mixing alcohol and benzodiazepines are profound for anyone, specific populations face an elevated likelihood of experiencing severe health issues. Factors such as overall health, behaviors, and medication use increase the chances. Some of the susceptible groups include:
Individuals with pre-existing health conditions
People with specific underlying medical conditions are more likely to experience severe health outcomes from combining alcohol and benzodiazepines, such as:
- Liver disease: Since alcohol and benzos metabolize in the liver, individuals with compromised liver function are at a higher risk of toxicity because of delayed clearance.
- Respiratory disorders: Conditions such as asthma, chronic obstructive pulmonary disorder, or sleep apnea increase the chances of respiratory depression with simultaneous use of benzos and alcohol
- Cardiovascular issues: Those with hypertension or heart disease are more prone to cardiac problems, including arrhythmias or hypotension, when using these depressants together.
Older adults
Older adults are specifically susceptible to the adverse impacts of alcohol and benzodiazepine interactions because of age-related changes in metabolism and drug sensitivity. The body processes substances more slowly with age, causing prolonged drug effects. Additionally, older adults are at a higher risk of accidents and cognitive issues, as the sedative properties of benzos can worsen these issues.
People with mental health disorders
Individuals with anxiety, depression, or other mental health conditions who use benzodiazepines for therapeutic purposes are at risk if they consume alcohol. The combination usually worsens emotional instability, adds to the likelihood of impulsive behaviors, and elevates the risk of overdose. Those with substance use disorders or a history of addiction are also more likely to misuse both substances, resulting in more severe outcomes.
Recreational users
Individuals who use alcohol and benzodiazepines recreationally are at high risk of having adverse health effects. They generally consume higher doses than given or mix both substances without understanding the dangers, increasing the likelihood of overdose and long-term damage to physical and mental health.
Individuals taking multiple medicines
Those prescribed multiple medications, specifically other CNS depressants like opioids or sleep aids, are more likely to face severe interactions when consuming alcohol and benzodiazepines. Polydrug use enhances sedative effects, contributing to the chances of issues such as respiratory depression.
Young adults and adolescents
Younger individuals, including teens, may experiment with alcohol and benzodiazepines without knowing the potential consequences. The lack of awareness, mixed with a tendency to participate in risky activities, puts younger age groups at a higher risk of severe health outcomes, including overdose and long-term dependency.
Can you Drink on Benzodiazepines Safely?
Combining alcohol and benzodiazepines is strongly discouraged because of the profound risks involved. If you are considering to drink while taking benzos, it is mandatory to consider some strategies to ensure safety, such as:
Strict medical supervision
- Consultation with a healthcare provider: The decision to drink alcohol while on benzodiazepines must always include a discussion with a doctor. A healthcare provider can assess individual health conditions, medication dosages, and possible interactions.
- Lower doses: If allowed, benzodiazepine dosages may be adjusted to lower the risk of excessive CNS depression. Remember, only minimal alcohol intake is permitted in these cases.
- Checking health conditions: Regular check-ups are mandatory to keep liver, heart, and respiratory health safe.
Timing and spacing
- Avoid concurrent use: Do not consume alcohol and benzodiazepines at the same time. Keeping sufficient time between the use of each substance reduces combined effects on the central nervous system.
- Consider half-life: Understanding the half-life of the specific benzodiazepine is essential. Longer-acting benzodiazepines may need extended waiting periods before alcohol consumption.
Limiting alcohol consumption
- Minimal intake: If approved, alcohol consumption should be limited to tiny amounts, such as having a single drink no more than once a week, to avoid sedative effects.
- Avoid strong alcohol: Hard liquor alcohol can significantly increase risks, which is why it is better to try other options.
- Set clear limits: Individuals should establish boundaries to prevent overconsumption and adhere strictly to them.
Individual risk assessment
- Evaluate health Risks: People with liver or kidney issues, respiratory conditions, or a history of substance abuse should avoid combining these substances entirely, even under supervision.
- Consider mental health: Those with underlying anxiety, depression, or other mental health issues may face higher risks of emotional instability or impulsive behavior when mixing alcohol and benzodiazepines.
- Avoid in high-stakes situations: Combining these substances can make activities requiring focus, such as driving or operating machinery, particularly dangerous. Therefore, avoiding them before engaging in any such activity that requires precision and focus is better.
Checking for adverse effects
- Recognize warning signs: Individuals should be aware of the early symptoms of overdose or adverse interactions, such as drowsiness, confusion, or slowed breathing, to act quickly if complications arise.
- Support system: For safety, it is recommended that one be in the presence of someone who understands the risks and can intervene if necessary.
- Access to emergency care: Always have access to medical assistance in case of unforeseen reactions or complications.
Although these strategies can lower the risk of potential issues due to using benzodiazepines and alcohol, it is always better to avoid drinking altogether. It is always recommended to drink after successfully tapering off from benzos as it is healthier and safer.
Summary
The combination of benzodiazepines and alcohol comes with various physical and mental health risks, typically causing severe complications such as respiratory depression, cardiovascular issues, and even life-threatening overdoses. While both substances are commonly used, their simultaneous use enhances their effects, paving the way for dangerous outcomes. Understanding the mechanisms behind their interaction, recognizing the signs of adverse effects, and getting professional guidance are essential for safety. Prevention and education are the most effective strategies for decreasing the issues associated with this combination. By prioritizing responsible use, individuals can protect their health and avoid the potential consequences of mixing benzodiazepines and alcohol.
FAQs
What to do if you accidentally drink after taking benzodiazepines?
If you accidentally consume alcohol after taking benzodiazepines, check yourself for signs of adverse impacts, such as drowsiness, confusion, or issues in breathing. Avoid consuming additional alcohol or taking more benzodiazepines. Stay safe and quiet, and inform someone nearby who can assist if needed. If you experience severe symptoms such as respiratory difficulties or extreme sedation, get medical attention immediately.
How can you help someone who has overdosed on benzodiazepines and alcohol?
If someone shows signs of overdose, such as slowed breathing, extreme drowsiness, or loss of consciousness, follow steps like:
- Call emergency services immediately.
- Place the individual on their side in the recovery position to avoid choking.
- Stay with them and check their breathing until help arrives.
- Offer medical responders details about the substances consumed, such as approximate dosages. Avoid giving them food, water, or other medicines, as this could worsen the situation.
Is it safe to drink while tapering off benzodiazepines?
Drinking alcohol while tapering off benzodiazepines is not safe and should be avoided. Alcohol can interfere with the tapering process by enhancing withdrawal symptoms, adding to sedation, and elevating the risk of overdose. The collective impact of both substances can adversely impact the body’s ability to adjust to lower benzodiazepine doses. Always consult a healthcare provider for guidance on safe tapering practices.
References
[5] Linnoila MI. Benzodiazepines and alcohol. Journal of psychiatric research. 1990 Jan 1;24:121-7.