Lorazepam (Ativan): Approved Uses, Boxed Warning and Risks

What lorazepam is

Lorazepam is a benzodiazepine, sold in tablets under the brand Ativan and as a generic. Loreev XR is a current brand of extended-release capsule. MedlinePlus also lists a liquid concentrate. This page covers forms taken by mouth.

The FDA labels state that lorazepam is a Schedule IV controlled substance. The labels describe a potential for abuse and addiction, which is why prescribing it comes with added federal rules and with safety checks.

What it is approved for, and off-label uses

The label wording matters here. Ativan tablets are indicated for the management of anxiety disorders, or for the short-term relief of the symptoms of anxiety or anxiety associated with depressive symptoms. So the label includes both anxiety disorders and short-term symptom relief.

The same section adds two limits. Anxiety or tension from the stress of everyday life usually does not require an anxiety medicine. And effectiveness in long-term use, meaning more than 4 months, has not been assessed by systematic clinical studies, so the physician should periodically reassess whether it is still useful for you.

Loreev XR has a narrower label: anxiety disorders in adults who are already stable on lorazepam tablets. The tablet label says safety and effectiveness have not been established in children under 12.

Off-label uses are ones the label does not list. MedlinePlus describes lorazepam being used for insomnia and sometimes for nausea and vomiting from cancer treatment, and both are off-label. For trauma, the VA's clinician guide on PTSD medications says use of benzodiazepines is recommended against for treating PTSD.

How it is thought to work

The Loreev XR label says lorazepam binds to a benzodiazepine site on GABA-A receptors in the brain and enhances the signal of GABA, a chemical that calms nerve activity. The Ativan label describes a tranquilizing action on the central nervous system. MedlinePlus says it works by slowing activity in the brain to allow for relaxation.

What taking it can be like

The Ativan label says blood levels peak about 2 hours after a tablet, and the average half-life is about 12 hours. Sedation is the most frequent reaction the label reports in people treated for anxiety, and sedation and unsteadiness became more common with age.

Plan for how drowsiness may affect your day. MedlinePlus says not to drive or use machinery until you know how lorazepam affects you. Alcohol can make the side effects worse.

The label also says lorazepam has not been shown to be of significant benefit for the stomach or heart part of a condition when those problems occur alongside anxiety. If physical symptoms are part of what you feel, ask your doctor to look at them directly.

NIMH says providers usually prescribe benzodiazepines for short periods and taper them slowly. Expect your prescriber to review regularly whether it is still helping. Tell your prescriber if you are pregnant, may become pregnant or are breastfeeding.

Side effects and warnings

The boxed warning is the strongest kind of warning on an FDA label, and it applies to everyone who takes lorazepam, including at recommended doses.

• Do not stop suddenly. Do not stop lorazepam or take fewer doses without talking to your prescriber. Withdrawal can include seizures, and the label says some people have withdrawal symptoms lasting weeks to more than 12 months.
• Who should not take it: people with an allergy to benzodiazepines or to any tablet ingredient, and people with acute narrow-angle glaucoma.
• Depression: the label says a possibility of suicide should be kept in mind, and that benzodiazepines should not be used in people with depression without adequate antidepressant therapy. Tell your prescriber about any history of depression.
• Interactions in the label: alcohol and other sedating medicines, clozapine (which may cause marked sedation and respiratory arrest when combined), valproate and probenecid. Share your full medicine list.
• Common side effects: sedation, dizziness, weakness and unsteadiness were the most frequent reactions. The label also lists fatigue, memory problems, confusion, disinhibition, blurred vision, slurred speech, changes in sex drive, nausea and appetite changes.
• Paradoxical reactions, meaning the opposite of the intended calm, may be more likely in children and older adults. Tell your prescriber about sleep apnea, COPD or other lung problems, or liver or heart disease. The label also asks for monitoring of upper digestive symptoms with prolonged use and in older adults.

Can it be managed online in Pennsylvania and New York

As of November 2026, a temporary federal rule (Federal Register, Fourth Temporary Extension) allows DEA-registered practitioners to prescribe Schedule II to V medicines by audio-video telemedicine without a prior in-person evaluation, under set conditions, through December 31, 2026. Rules may change after that date.

The rule permits telemedicine prescribing; it does not require it, and a visit may not end in a prescription for this or any medicine. The label's limits on everyday stress and long-term use are part of what a prescriber weighs.

A licensed psychiatrist on our team, a Doctor of Osteopathic Medicine (DO) with more than three decades of practice, treats anxiety, depression and trauma by secure video for people physically located in Pennsylvania or New York during each visit. See online anxiety treatment and medication management, plus details for Pennsylvania and New York. Whether it is an option for you is a decision for you and your prescriber. Ask us whether our psychiatrist can help, and ask us about fees, insurance and ages too.

Our therapists do not prescribe. They see clients in Pennsylvania, West Virginia, Arizona, Colorado and Florida, not New York, so a New York reader can get psychiatry here but not anxiety therapy here. The medication list has other medicine pages.

If you are in crisis, call or text 988, or call 911. Locascio Wellness does not provide emergency services, and crisis resources are on our site. MedlinePlus says to call Poison Help at 1-800-222-1222 for an overdose, and 911 if the person has collapsed, had a seizure, has trouble breathing or cannot be awakened.