Lorazepam may increase the risk of serious or life-threatening breathing problems, sedation, or coma if used along with certain medications. Tell your doctor if you are taking or plan to take certain opiate medications for cough such as codeine (in Triacin-C, in Tuzistra XR) or hydrocodone (in Anexsia, in Norco, in Zyfrel) or for pain such as. How to use Ativan. Read the Medication Guide provided by your pharmacist before you start taking lorazepam and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Learn about Ativan (Lorazepam) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Ativan Tablets official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and more. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. It is used to treat anxiety disorders, trouble sleeping, active seizures including status epilepticus, alcohol withdrawal, and chemotherapy-induced nausea and vomiting. It is also used during surgery to interfere with memory formation and to sedate those. Ativan is a benzodiazepine used for the management of anxiety disorders, insomnia, panic attacks, and alcohol withdrawal. Ativan is available in generic form. Prior to use, Ativan Injection may be diluted for IM administration and should always be diluted for IV administration with equal amounts of compatible diluent (see section 4.2). Learn about the potential side effects of Ativan (lorazepam). Includes common and rare side effects information for consumers and healthcare professionals. Ativan can cause mild or serious side effects. The following list contains some of the key side effects that may occur while taking Ativan. This list doesn’t include all possible side effects. Lorazepam (Ativan) is thought that excessive activity of nerves in the brain may cause anxiety and other psychological disorders. Gamma-aminobutyric acid (GABA) is a neurotransmitter, a chemical that nerves in the brain use to send messages to one another that reduces the activity of nerves in the brain.