Ativan dosing
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Ativan Dosing: Insights from Recent Research
Lorazepam (Ativan) for Alcohol Withdrawal
Efficacy and Safety in Alcohol Withdrawal Treatment
Lorazepam (Ativan) is commonly used to manage alcohol withdrawal symptoms. A study comparing lorazepam to chlordiazepoxide found that lorazepam, administered at 8 mg/day and tapered over 8 days, was as effective as chlordiazepoxide in reducing withdrawal symptoms. Both medications showed similar efficacy in symptom reduction, with lorazepam causing more irritability and dizziness, while chlordiazepoxide was associated with more palpitations. Importantly, no significant withdrawal complications were observed with lorazepam, suggesting it is a safe alternative, especially in patients with liver disease .
Lorazepam in Surgical Anesthesia
Sedation and Patient Cooperation
Lorazepam, when used in combination with fentanyl, has been shown to provide excellent intraoperative sedation and patient cooperation during outpatient plastic surgery. Small doses of lorazepam and fentanyl not only ensure effective sedation but also significantly reduce the recall and recognition of surgical events for up to three hours post-surgery. This protocol, tested on 814 patients, reported no complications and received favorable patient feedback Colon1986Millichap1989.
Memory Effects of Lorazepam
Impact on Episodic and Long-Term Memory
Research on the cognitive effects of lorazepam in children revealed that low doses (0.03 mg/kg IV) can impact episodic and long-term memory. This study highlights the importance of monitoring cognitive functions when administering lorazepam, especially in pediatric patients .
Lorazepam in Chemotherapy-Induced Nausea and Vomiting
Combination Therapy for Nausea Control
In patients undergoing high-dose chemotherapy, lorazepam is often included in a cocktail with diphenhydramine and dexamethasone (BAD) to manage nausea and vomiting. A study comparing once-daily versus twice-daily administration of granisetron with dexamethasone found no significant differences in nausea and emesis control between the two dosing schedules. This suggests that lorazepam, as part of the BAD regimen, is effective in managing chemotherapy-induced nausea and vomiting .
Drug Interactions and Metabolism
Interaction with Cimetidine
A study investigating the interaction between lorazepam and cimetidine found that cimetidine does not alter the elimination of lorazepam. This indicates that lorazepam's biotransformation via glucuronidation is not significantly affected by cimetidine, making it a reliable option even when patients are on cimetidine therapy .
Conclusion
Lorazepam (Ativan) is a versatile medication with applications ranging from alcohol withdrawal management to surgical anesthesia and chemotherapy-induced nausea control. Its efficacy and safety profile make it a valuable option in various clinical settings, although attention should be given to its cognitive effects, especially in children. Additionally, its metabolism is not significantly impacted by cimetidine, ensuring consistent therapeutic effects.
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Informal Caregivers’ Administration of Hospice Prescribed Lorazepam to Homecare Patients With Anxiety
Informal caregivers often administer lorazepam on a PRN basis to hospice patients with anxiety, but low overall lorazepam administration suggests a need for closer monitoring and support.
Efficacy and safety of 30-minute infusions of conivaptan in euvolemic and hypervolemic hyponatremia.
Conivaptan hydrochloride 20 mg administered via 30-minute i.v. infusion significantly increased serum sodium concentrations over 48 hours in patients with euvolemic or hypervolemic hyponatremia, with common adverse effects being infusion-site reactions.
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