Xanax bars (alprazolam) is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). It is thought that alprazolam works by enhancing the activity of certain neurotransmitters in the brain.
Xanax bars is used to treat anxiety disorders and anxiety caused by depression.
Xanax is also used to treat panic disorders with or without a fear of places and situations that might cause panic, helplessness, or embarrassment (agoraphobia).
How long does Xanax stay in your system
Xanax bars is considered a short-acting benzodiazepine drug. After taking Xanax bars in pill form, peak levels are found in your blood 1–2 hours later. The average half-life of Xanax in the blood is 11.2 hours in healthy adults, meaning that half of the drug has been metabolized and eliminated in the urine in that time frame.
It takes about five half-lives for 98% of a drug dose to clear the body, so Xanax takes 2–4 days to be fully eliminated from the body.
Buy Xanax online
Xanax is detectable in your blood, urine, saliva, and hair, but how long it’s detectable depends on a variety of individual factors. Xanax is cleared from various parts of the body at different rates.
Here are the general timelines:
- Blood: Up to 24 hours
- Hair: Up to 90 days
- Saliva: Up to 2.5 days
- Urine: Up to 4 days
Blood levels may be done as a screening test or in cases of treatment for a suspected overdose, but they can only detect if you’ve taken Xanax in the last 24 hours.
As with all drugs, Xanax can be detected in your hair starting 2–3 weeks after and for up to 90 days after your last dose.
Xanax can be detected in saliva for up to 2.5 days.1
A urine drug screen, such as those that are done for employment, will test positive for benzodiazepines for 5 days and up to a week after a dose. For populations who metabolize Xanax more slowly such as the elderly, obese, and those with alcoholic liver disease that time maybe even longer.
What are the side effects of Xanax (Alprazolam)?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Alprazolam can slow or stop your breathing, especially if you have recently used an opioid medication, alcohol, or other drugs that can slow your breathing. A person caring for you should seek emergency medical attention if you have weak or shallow breathing, if you are hard to wake up, or if you stop breathing.
Call your doctor at once if you have:
- weak or shallow breathing;
- A light-headed feeling, like you, might pass out;
- A seizure;
- Hallucinations, risk-taking behavior;
- Increased energy, decreased need for sleep;
- Racing thoughts, being agitated or talkative;
- Double vision; or
- Jaundice (yellowing of the skin or eyes).
The sedative effects of alprazolam may last longer in older adults. Accidental falls are common in elderly patients who take benzodiazepines. Use caution to avoid falling or accidental injury.
Common side effects may include:
- Drowsiness; or
- Feeling light-headed.
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