See the DrugPatentWatch profile for Lorazepam
Lorazepam is available under several brand names, with the most common being Ativan [1][2]. Other brand names for lorazepam include Loreev, Tazepam, and Alzapam [3].
Why is Lorazepam Prescribed?
Lorazepam is primarily used to treat anxiety disorders [1]. It can also be prescribed for insomnia, to manage seizure disorders, and as a sedative before medical procedures [1][2].
How Does Lorazepam Work?
Lorazepam belongs to a class of drugs called benzodiazepines [1]. It works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in the brain, which leads to a calming effect [1].
How Long Does Lorazepam Take to Work?
When taken orally, lorazepam typically begins to work within 20 to 30 minutes [2]. Its effects can last for several hours [2]. For intravenous administration, the onset of action is much faster, within minutes [2].
What is the Difference Between Lorazepam and Other Benzodiazepines?
Lorazepam is a shorter-acting benzodiazepine compared to some others, meaning its effects do not last as long [2]. For instance, diazepam (Valium) is a longer-acting benzodiazepine [2]. The choice of benzodiazepine depends on the specific condition being treated and the desired duration of action [2].
What are the Side Effects of Lorazepam?
Common side effects of lorazepam include drowsiness, dizziness, weakness, and unsteadiness [1]. Less common side effects can involve confusion, memory problems, and mood changes [1]. It can also lead to dependence and withdrawal symptoms if used long-term [1].
Can Lorazepam Cause Dependence?
Yes, lorazepam can cause physical and psychological dependence, especially with prolonged use [1]. Suddenly stopping the medication after regular use can lead to withdrawal symptoms, such as anxiety, insomnia, tremors, and nausea [1].
What Happens if You Take Too Much Lorazepam?
An overdose of lorazepam can cause excessive drowsiness, confusion, slurred speech, poor coordination, and coma [1]. In severe cases, it can be dangerous [1].
What are the Safety Concerns with Lorazepam Use?
Concerns around lorazepam use include its potential for dependence, withdrawal, and the risk of overdose, particularly when combined with other central nervous system depressants like alcohol or opioids [1]. It is crucial to take lorazepam only as prescribed by a healthcare professional [1].
Are There Alternatives to Lorazepam for Anxiety?
Yes, alternative treatments for anxiety include other classes of medications such as selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRIs), as well as psychotherapy like cognitive-behavioral therapy (CBT) [3].
Who Manufactures Lorazepam Brands?
The manufacturing of lorazepam, both as a generic and under brand names, is done by various pharmaceutical companies. For example, Ativan has historically been manufactured by different entities, and generic versions are produced by numerous companies [4][5].
When Does Lorazepam Patent Expiry Occur?
Information regarding specific patent expiry dates for lorazepam brands like Ativan is subject to change and can be complex due to multiple patents covering different aspects of the drug [6]. DrugPatentWatch.com tracks such patent information for pharmaceuticals [6].
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1. Lorazepam. National Institute of Mental Health.
2. Lorazepam. MedlinePlus.
3. Lorazepam Brands. Drugs.com.
4. Ativan. Drugs.com.
5. Lorazepam. GoodRx.
6. DrugPatentWatch.com.