Commonly prescribed benzodiazepines, such as Xanax, are used to treat anxiety disorders, insomnia, panic attacks, and seizures. Because they are highly addictive in nature, they shouldn’t be taken on a long-term basis.
Unfortunately, it only takes a week or so for a person’s body to start becoming physically dependent on benzodiazepines. An addiction to the medication is also possible, which can contribute to the development of a poly-substance use disorder.
One of the most common substances that people mix with Xanax and other benzodiazepines is alcohol. This is dangerous because of the potential damage that can be caused to the brain since alcohol increases the effects of the medications. For this reason, it’s important for everyone who takes a benzodiazepine medication to learn how benzodiazepines can cause brain damage.
How Benzodiazepines Work In The Brain
One of the effects of benzodiazepines on the brain is that they increase the activity of the neurotransmitter gamma-Aminobutyric acid (GABA). There are three types of receptors for GABA in the body, which are commonly referred to as A, B, and C.
Benzodiazepines affect the GABA-A receptors the most. GABA-A receptors are concentrated in the limbic system and the cortex. Due to the way benzodiazepines affect GABA receptors, they may contribute to benzodiazepine brain damage when a person takes this type of medication—whether at one time or through continued use.
Slowing Brain Activity
Sometimes, people have a low level of GABA in their body because of certain medical conditions they have, such as Parkinson’s disease, ADHD, and anxiety. If they take benzodiazepines, it helps correct this problem by slowing down brain activity when GABA receptors bind to neurons within the brain.
For a person who is not struggling with one of these conditions, continually slowing brain activity can be damaging to a person’s normal brain processes. With time, a person may come to rely on the benzodiazepine for certain brain functions.
If dependence or addiction occurs, a person may find it difficult to restore normal brain activity as they enter recovery.
Depressing The Central Nervous System
The benzodiazepine receptors also cause the central nervous system to be depressed. They act as an anticonvulsant, which helps reduce the occurrence of seizures. Unfortunately, this same effect also contributes to amnesia, or memory loss, caused by benzodiazepines. Amnesia can sometimes be overcome, while other times damage to a person’s memory may remain permanently.
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A person’s individual chemical make-up and their use of other substances can also have an impact on how they are affected by benzodiazepines. Someone’s age, health issues, and the delivery method they use to get benzodiazepines into the body can all have an impact on its effects, too.
Side Effects Of Benzodiazepines
Some of the most common physical side effects of benzodiazepines include:
- impaired motor functioning
- slurred speech
- irritation to the veins when injected
- respiratory and cardiovascular depressant effects when combined with opioids or alcohol
- trouble sleeping
- dry mouth
- increased risk of falls
- death when combined with opioids or alcohol
- weight gain
- skin rashes
Can Benzodiazepines Damage The Brain?
The short answer is “yes”. In fact, benzodiazepines can damage the brain in several ways. One way that benzodiazepines damage the brain is in regards to a person’s long-term memory.
There are several types of long-term memory. The type that is affected the most by benzodiazepines is a person’s episodic long-term memory. This refers to the important events in a person’s life and their memories of these events, such as their wedding day or the birth of their children. However, episodic memory loss can also sometimes affect a person’s ability to recall words and language rules they used to know.
Another type of benzodiazepine brain damage is a sudden loss of inhibitions. This can be seen by a person suddenly taking risks and acting erratically. High-risk sexual activity and road rage are common.
Delirium and hallucinations that can’t be easily treated are possible benzodiazepine effects on the brain, too. These symptoms are a result of brain damage that occurs most often in the elderly who take benzodiazepines.
Many doctors consider these symptoms dangerous because they can increase the risk of an elderly person dying, especially if they have any other type of health problems while taking benzodiazepines.
Psychological Effects Of Benzodiazepines
The most common psychological effects of benzodiazepines include:
- anterograde amnesia
- rebound anxiety
- mood swings
- erratic behavior
- trouble concentrating
- cognitive impairment
- lack of motivation
- impaired thinking
- personality changes
How Benzodiazepine Abuse Affects The Brain And Body
When benzodiazepines are abused by taking them in large doses or combining them with other substances, serious health problems due to central nervous system impairment can occur. Again, benzodiazepines are able to depress the central nervous system because of their impact on GABA in the brain.
In higher doses, a larger amount of GABA neurotransmitters will attach themselves to the GABA receptors. This will slow down neuronal activity in the areas of the brain that are responsible for controlling respiration, heart rate, and other important physical responses.
Alcohol and opiates increase the effects that benzodiazepines have on the body. If either of these substances are taken at the same time as a benzodiazepine, a person can end up dying from an overdose or going into a comatose state they may never wake up from.
The brain and body can also become impacted by benzodiazepine abuse when a person becomes physically dependent on the medication. Within a week or so of taking benzodiazepines, the body’s systems will start to adapt to the presence of the substance. If a person suddenly stops taking their medicine, they will suffer from uncomfortable withdrawal symptoms, such as rebound anxiety.
Becoming physically dependent on benzodiazepines often results in a person starting to crave more of the medications so they can feel the same way they did when they first started taking them. This can cause them to use their prescription up faster than they are supposed to or illegally purchase the medications from drug dealers.
Treatment For Benzodiazepine Abuse And Addiction
While benzodiazepines, like Xanax, have important medical properties that make them useful for treating certain conditions, they have a whole host of negative side effects that can be exacerbated if they are misused. These side effects include both minor damage to the brain in the short-term and negative effects on brain functioning in the long-term, as well as risk of overdose.
Because of this, it is crucial that anyone who is struggling with an addiction to benzodiazepines get treatment for their condition before it is too late. Not all addiction treatment centers accept patients with benzodiazepine abuse issues. Be sure to contact one of our addiction treatment specialists for more information on how to find the best rehab center for your individual needs.
Addiction Resource aims to provide only the most current, accurate information in regards to addiction and addiction treatment, which means we only reference the most credible sources available.
These include peer-reviewed journals, government entities and academic institutions, and leaders in addiction healthcare and advocacy. Learn more about how we safeguard our content by viewing our editorial policy.
- National Institute on Drug Abuse — Benzodiazepines and Opioids
- U.S. National Library of Medicine: National Institutes of Health — Benzodiazepine Pharmacology and Central Nervous System-Mediated Effects