![]() How do lorazepam and Xanax work?īoth lorazepam and Xanax, like all benzodiazepines, enhance the actions of a neurotransmitter in the brain called GABA (gamma-aminobutyric acid). Both lorazepam and Xanax should only be used short-term. However, people of Asian descent metabolize Xanax differently to people of other races, and certain disease states such as alcoholism, liver and kidney disease, obesity and even old age can affect how Xanax behaves in the body so benzodiazepine equivalency tables should be used as a guide only as they do not reflect individual variation. How much Xanax equals 1mg of lorazepam?īenzodiazepine equivalency tables state that 0.5mg of alprazolam (Xanax) is approximately equivalent to 1mg lorazepam. Effects of lorazepam last approximately 8 hours, although may persist for longer in some people. Effects of Xanax last on average 4 to 6 hours although there are wide variations between individuals (see below). Xanax is usually more quickly absorbed than lorazepam with peak concentrations occurring within 1-2 hours following administration, compared to 2 hours for lorazepam. Although both drugs belong to the class of drugs known as benzodiazepines, so have a similar mechanism of action, there are structural differences between them that affect their activity in the body. Xanax is a brand (trade) name for alprazolam. The only branded lorazepam available in the U.S. ![]() Lorazepam is the generic name of the drug lorazepam. See also: Compare Tool - Lorazepam vs Xanax What are Lorazepam and Xanax? Activity of Xanax is more likely to be affected by race (people of Asian descent achieve higher concentrations and activity of Xanax lasts longer), concurrent liver or kidney disease, alcoholism and obesity, whereas lorazepam is less likely to be influenced by race or age.Sedative and performance-impairing effects may occur sooner with Xanax, but dissipate quicker than with lorazepam.Xanax has a quicker onset of effect, but a shorter duration of action (4 to 6 hours) compared with lorazepam’s 8 hours.The main differences between Lorazepam and Xanax are: If you think you may have a medical emergency, call your physician or 911 immediately.Lorazepam and Xanax are both benzodiazepines used for the treatment of anxiety, and both are equally effective for this use. By using this Site you agree to the following Terms and Conditions. We offer this Site AS IS and without any warranties. Never disregard the medical advice of your physician or health professional, or delay in seeking such advice, because of something you read on this Site. We disclaim all responsibility for the professional qualifications and licensing of, and services provided by, any physician or other health providers posting on or otherwise referred to on this Site and/or any Third Party Site. MedHelp is not a medical or healthcare provider and your use of this Site does not create a doctor / patient relationship. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only.
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