Lorazepam is available in Canada only by prescription.

Known as

Apo-Lorazepam, Ativan, Novo-Lorazepam, Nu-Loraz


When injected, lorazepam serves as an anti-seizure medication especially for the control of status epilepticus.

How to Use

Use injection as prescribed. if you are uncomfortable with administering your injection doses, inform your doctor.

Side Effects

More common reactions to the injection of lorazepam include excessive drowsiness, weakness and confusion, depending on the dosage administered.


Those who are sickly elderly or suffer from liver and blood disorders should be given low dosages with frequent monitoring by their doctor. There is some possibility of limited psychological dependence, so individuals prone to drug abuse should avoid taking lorazepam in high dosages. Lorazepam may also intensify suicidal tendencies. Patients using lorazepam should be cautious about operating machinery as well as highly demanding tasks like driving. Do not combine lorazepam with alcohol as it will increase sedation of your nervous system.


Inform your doctor of any additional medications you are taking.


Store in the refrigerator in a dark place. Keep away from light and out of the reach of children.


  • Injection: 1 ml vial of 4 mg lorazepam
  • Oral and sublingual tablets: 0.5, 1 and 2 mg

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DisclaimerExpand Disclaimer Section

The material offered at this site is to provide general information about epilepsy to the public. It is not intended to be taken as medical advice. Although all material presented at this site has been thoroughly researched and is believed to be correct, Epilepsy Ontario accepts no liability. Consult your physician and/or neurologist with any questions you have. People with epilepsy should never discontinue anti-epileptic medications or make changes in activities unless specifically advised to do so by an attending physician.