Ativan is not linked to weight changes, but related drugs, such as Xanax, are often associated with a change in weight.
Article at a Glance:
Ativan (lorazepam) is not known to cause weight gain or weight loss.
However, related drugs like Xanax (alprazolam) are linked to weight changes.
Benzodiazepines like Ativan are often used alongside antidepressants and antipsychotics that can cause weight gain.
Withdrawal from benzos can cause weight loss.
How Lorazepam Affects Weight
Ativan does not usually impact weight, and weight changes are not a known side effect of the medication. However, other drugs that are prescribed alongside lorazepam can contribute to weight changes.
Ativan (Lorazepam) Weight Gain
Weight gain is not a known side effect of lorazepam. However, when used for mental health conditions, lorazepam may sometimes be used alongside other drug classes like antidepressants or antipsychotics, which have both been linked to weight gain. Someone may assume that lorazepam is causing their weight gain, but a different drug may be the culprit.
Benzos like Ativan do not typically lose their effectiveness over time. However, a person may stop experiencing side effects, like sedation, over time.
Most benzos do not cause weight gain. However, they may be used alongside other medications like antidepressants that are linked to weight gain.
Ativan (lorazepam) Side Effects
Ativan’s most common side effects include:
Different Anti-Anxiety Drugs
If you or a loved one are misusing anti-anxiety medication or can’t stop despite negative consequences, it may be a sign of a substance use disorder. The Recovery Village can help. Our licensed clinicians and therapists can develop a treatment plan that addresses the substance use and any co-occurring anxiety you experience. Contact us today to discuss treatment options that can start you on the road to recovery.
Drugs.com. “Lorazepam.” November 9, 2020. Accessed November 1, 2021.
Gafoor, Rafael; Booth, Helen P.; Gulliford, Martin C. “Antidepressant utilisation and incidence[…]n based cohort study.” The British Medical Journal (BMJ), May 16, 2018. Accessed November 1, 2021.
Dayabandara, Madhubhashinee; Hanwella, Raveen; Ratnatunga, Suhashini; et al. “Antipsychotic-associated weight gain: ma[…] treatment adherence.” Neuropsychiatric Disease and Treatment, August 22, 2017. Accessed November 1, 2021.
Puttegowda, Beeresha; Theodore, Joseph; Basappa, Ramesh; Nanjappa, Manjunath Cholenally. “Olanzapine Induced Dilated Cardiomyopathy,” The Malaysian Journal of Medical Sciences, March 2016. Accessed November 1, 2021.
Willems, Inge A.T.; Gorgels, Wim J.M.J.; Voshaar, Richard C. Oude; et al. “Tolerance to benzodiazepines among long-[…]sers in primary care.” Oxford Academic Family Practice, August 2013. Accessed November 1, 2021.
Drugs.com. “Xanax.” September 1, 2021. Accessed November 1, 2021.
Anxiety & Depression Association of America. “Clinical Practice Review for GAD.” July 2, 2015. Accessed November 1, 2021.
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