Xanax Patient Tips
Medically reviewed on Sep 11, 2017 by C. Fookes, BPharm.
How it works
- Xanax is a brand (trade) name for alprazolam. Alprazolam may be used in the treatment of anxiety and other mood-type disorders. It may also be given for its calming and sedative properties.
- Experts aren't sure exactly how Xanax works to stabilize mood but experts suggest it may enhance the activity of GABA (gamma aminobutyric acid), an inhibitory neurotransmitter, in the brain. This produces a hypnosis (a trancelike state).
- Xanax belongs to the class of medicines known as benzodiazepines.
- May be used to help manage the symptoms of generalized anxiety disorder or for the short-term relief of symptoms of anxiety. May help the symptoms of anxiety related to depression.
- May be used for the treatment of panic disorder, with or without agoraphobia (agoraphobia is a fear of places or situations that might cause panic, helplessness or embarrassment).
- Xanax is available as an immediate-release tablet and an extended-release tablet.
- Xanax is available as a generic under the name alprazolam.
If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:
- Drowsiness and unsteadiness upon standing, increasing the risk of falls.
- May impair reaction skills and affect a person's ability to drive or operate machinery. Avoid alcohol.
- Blood pressure lowering, heart palpitations, constipation, nausea, dry mouth, headache and a decrease in libido are also commonly reported side effects.
- Xanax is potentially addictive and may cause emotional or physical dependence.
- Withdrawal symptoms (including convulsions, tremor, cramps, vomiting, sweating, or insomnia) may occur with abrupt discontinuation; taper off slowly over several months under a doctor's supervision.
- Smokers may have less of a response to Xanax.
- Although Xanax has been used off-label (not a FDA-approved use but still a common use) in the past to aid sleep, it should not be promoted for this purpose unless there is no other alternative. Benzodiazepines such as Xanax reduce the duration of deep or slow-wave sleep, (correlates to how refreshed you feel in the morning) and are also associated with addiction, dependence, and tolerances (where progressively larger dosages of the same drug are needed in order to obtain the same effect). Abrupt discontinuation of Xanax, when used for sleep, has been associated with a rebound insomnia that may be worse than the initial sleeping problem.
- Avoid combining Xanax with opioids such as oxycodone or hydrocodone. Profound sedation, respiratory depression (abnormally slow and shallow breathing), coma, and death may result. May also interact with a number of other drugs including those that induce or inhibit CYP 3A hepatic enzymes.
- May not be suitable for people with significant liver or kidney disease, lung disease or breathing problems, and certain psychiatric disorders.
Notes: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. For a complete list of all side effects, click here.
- Xanax may be taken with or without food.
- Avoid operating machinery, driving, or performing tasks that require mental alertness while taking Xanax.
- Avoid alcohol while taking this medicine.
- The lowest effective dose of Xanax should be used for the shortest time possible.
- Extended-release tablets should be taken in the morning, swallowed whole, and not crushed or chewed.
- Withdrawal symptoms (blurred vision, insomnia, sweating, rarely seizures) may occur if long-term Xanax is stopped abruptly; discontinue slowly on a doctor's advice.
- Not for use if you have acute narrow-angle glaucoma.
- Do not take with itraconazole (Sporanox) or ketoconazole (Nizoral).
- Keep out of reach of children and pets.
- Do not start or discontinue Xanax during pregnancy without speaking to your provider first.
- Women should not breastfeed their baby while receiving Xanax.
Response and Effectiveness
- Peak concentrations of Xanax occur 1-2 hours following administration of immediate-release tablets, and up to 12 hours following administration of extended-release forms.
- The duration of effect of Xanax varies between individuals and formulations (anywhere from 6 to 27 hours).
Xanax (alprazolam) [Package Insert]. Revised 04/2017. Pharmacia and Upjohn Company LLC https://www.drugs.com/pro/xanax.html
More about Xanax (alprazolam)
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- Drug class: benzodiazepines
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- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Xanax only for the indication prescribed.
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