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How Long Does Xanax Stay In Your System?

How Long Does Xanax Stay In Your System?
Xanax Children as young as 11 taking anxiety drug BBC News


Xanax, also known as alprazolam, is a medication that belongs to the class of benzodiazepines. It is commonly prescribed to treat anxiety disorders, panic attacks, and insomnia. Xanax works by slowing down the activity in the brain, which can help patients feel more relaxed and calm. However, many people wonder how long Xanax stays in their system after they have taken it. In this article, we will explore the answer to this question and provide some important information about Xanax.

What is Xanax?

Xanax is a prescription medication that is used to treat anxiety disorders and panic attacks. It is also sometimes used to treat insomnia, as it can help patients fall asleep more easily. Xanax works by increasing the activity of a chemical in the brain called gamma-aminobutyric acid (GABA), which helps to slow down the activity in the brain and reduce feelings of anxiety and stress.

How Long Does Xanax Stay in Your System?

The length of time that Xanax stays in your system can vary depending on several factors, including your age, weight, metabolism, and how much Xanax you have taken. Generally, Xanax has a half-life of around 12 hours, which means that it takes about 12 hours for half of the drug to be eliminated from your system. However, it can take up to four days for Xanax to be completely eliminated from your system.

Factors that Affect How Long Xanax Stays in Your System

As mentioned, there are several factors that can affect how long Xanax stays in your system. These include:

Age and Weight

Older adults and people who are overweight may metabolize Xanax more slowly than younger, thinner individuals. This means that Xanax may stay in their system for longer periods of time.

Dosage and Frequency of Use

The more Xanax you take and the more frequently you take it, the longer it will stay in your system. This is because Xanax can build up in your body over time, especially if you take it for an extended period of time.

Liver and Kidney Function

Your liver and kidneys are responsible for filtering drugs out of your system. If you have liver or kidney problems, Xanax may stay in your system for longer periods of time.

Other Medications

Some medications can interact with Xanax and affect how long it stays in your system. For example, medications that affect liver enzymes can slow down the metabolism of Xanax and cause it to stay in your system for longer periods of time.

Side Effects of Xanax

While Xanax can be an effective treatment for anxiety and panic disorders, it also has some potential side effects. These can include:

Drowsiness and Fatigue

Xanax can cause drowsiness and fatigue, which can make it difficult to perform daily tasks.

Memory Problems

Xanax can also cause memory problems, especially if it is taken in high doses or for extended periods of time.

Dependence and Withdrawal Symptoms

Xanax can be habit-forming, especially if it is taken for extended periods of time. Withdrawal symptoms can occur if you stop taking Xanax suddenly, and these can include anxiety, insomnia, and tremors.


Xanax is a medication that can be effective in treating anxiety and panic disorders, but it is important to understand how long it stays in your system and its potential side effects. If you are taking Xanax, it is important to follow your doctor’s instructions carefully and to be aware of any potential interactions with other medications. If you experience any side effects or have concerns about how long Xanax is staying in your system, speak to your doctor.

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