• It is most often used together with another antiepileptic drug. It is also used in emergency situations involving seizures. It may also be used for other conditions as well as seizures, such as anxiety.
  • The drug is quickly absorbed after taking it by mouth and it reaches its highest amount in the body in 1-2 hours.

There are several brands and generic forms of the medicine. The brand name Ativan is shown below at the 0.5 mg pill, the 1 mg pill and the 2 mg pill and the generic form lorazepam at 1 mg pill is also shown.

Lorazepam is a medicine approved by the Food and Drug Administration to treat all types of seizures, including absence, myoclonic, atonic (drop attacks), partial seizures and seizures associated with Lennox-Gastaut syndrome.


Updated: 17/10/2023

Brand Name(s)


Used to Treat

Benign Rolandic Epilepsy
Childhood and Juvenile Absence Epilepsy
Dravet Syndrome
Hypothalamic Hamartoma
Infantile Spasms/West’s Syndrome
Juvenile Myoclonic Epilepsy
Lennox-Gastaut Syndrome
Rasmussen’s Syndrome
Ring Chromosome 20 Syndrome
Reflex Epilepsies
Temporal Lobe Epilepsy
Absence Seizures
Atonic Seizures
Atypical Absence Seizures
Clonic Seizures
Focal Impaired Awareness or Complex Partial Seizures
Febrile Seizures
Myoclonic Seizures
Refractory Seizures
Secondarily Generalized Seizures or Bilateral Tonic Clonic Seizure
Focal Aware Onset Seizure
Tonic Seizures
Tonic-clonic Seizures
Developmental/Epileptic Encephalopathy with Spike Wave Activation In Sleep DEE-SWAS


0.5mg Ativan

0.5 mg Ativan

 1mg Ativan

1 mg Ativan

2mg Ativan

2 mg Ativan

1mg lorazepam

1 mg lorazepam

Package Insert

Frequently Asked Questions

    How to take and store Lorazepam?

    To use the tablet form: chew tablets and swallow or swallow the tablet whole. This can be taken with or without food. Drink a small glass of water or liquid to wash down any leftover medicine.

    It’s important that this medicine is taken regularly or it won’t work right. Don’t skip doses even if you feel that you don’t need the drug.

    Sometimes when a person takes this medicine long-term or in large amounts, their body may get used to this drug making the drug less effective or helpful. In most patients, lorazepam is usually prescribed for a period of 4-6 months, though at times your doctor may decide to keep you on the medication for a longer period of time. You should never stop taking this medication without talking to your doctor. Stopping the drug suddenly can worsen your condition and cause withdrawal symptoms including irritability, sleeplessness, nervousness, and seizures. Your doctor will need to decrease your dose gradually. Keep this medicine in its original container tightly closed and out of reach of children. Store your prescription at room temperature, away from excess heat and moisture (i.e. not the bathroom). Throw away any medication that is outdated or no longer needed.

    What if I forget?

    Take the missed dose as soon as possible. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take an extra dose unless prescribed by your doctor.

    What are the most serious side effects of Lorazepam?

    Various side-effects may occur in taking this medication. Most side-effects are not serious and may disappear naturally. Call your doctor if you have any questions concerning your possible side effects. However, do not stop taking your medication without advice from your doctor. Contact your physician immediate if you experience any of the following side-effects:

    • Allergic reactions (rashes, hives, difficulty breathing, swallowing)
    • Aggressive behavior
    • Suicidal thoughts
    • Chest congestion
    • Hallucinations
    • Memory loss
    • Shortness of breath
    • Tremors
    If a woman takes Lorazepam during pregnancy will it hurt the baby?

    Just for women:
    Women who are taking this medication who wish to become pregnant should discuss treatment options with their physician before becoming pregnant. Lorazepam passes into breast milk and it is not known whether the medication will affect the nursing infant. Do not take Lorazepam without first talking to your doctor if you are breast feeding a baby.

    Does this medication affect birth control pills?
    This medication is not known to have any drug interactions with birth control pills.

    Will the medicine affect my menstrual cycle?
    This medicine should not affect the menstrual cycle. If your cycle becomes irregular, call your doctor.


    Primary Generalized Epilepsy

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