You should not receive this medicine if you have had an allergic reaction to lorazepam, if you are pregnant, or if you have narrow-angle glaucoma, severe lung disease, or sleep apnea (temporary stopping of breathing during sleep).
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are using clozapine (Clozaril®), haloperidol (Haldol®), loxapine (Loxitane®), probenecid (Benemid®), phenobarbital, scopolamine, or valproate (Depakene®).
Tell your doctor if you are using birth control pills, an MAO inhibitor (such as Eldepryl®, Marplan®, Nardil®, Parnate®), or a phenothiazine medicine (such as prochlorperazine, Compazine®, Mellaril®, Phenergan®, Thorazine®, Trilafon®).
Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
Do not drink alcohol while you are using this medicine.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Make sure your doctor knows if you are breasfeeding, or if you have kidney disease or mild to moderate lung disease.
If you develop any unusual or strange thoughts and behavior while taking lorazepam injection, be sure to discuss it with your doctor. Some changes that have occurred in people taking this medicine are like those seen in people who drink too much alcohol. Other changes might be confusion, agitation, and hallucinations (seeing, hearing, or feeling things that are not there).
This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.