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The elimination half-life is how long it takes for half of the drug to be eliminated by the body. "Time to peak" refers to when maximum levels of the drug in the blood occur after a given dose. "Time to peak" refers to when maximum levels of the drug in the blood occur after a given dose.
Midazolam is a short-acting benzodiazepine in adults with an elimination half-life of 1.5–2.5 hours. [13] In the elderly, as well as young children and adolescents, the elimination half-life is longer. [44] [66] Midazolam is metabolised into an active metabolite alpha
Examples are brotizolam, midazolam, and triazolam. Intermediate-acting compounds have a median half-life of 12–40 hours. They may have some residual effects in the first half of the day if used as a hypnotic. Rebound insomnia, however, is more common upon discontinuation of intermediate-acting benzodiazepines than longer-acting benzodiazepines.
A box of Lorazepam Orion (Lorazepam) tablets. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. [14] It is used to treat anxiety (including anxiety disorders), trouble sleeping, severe agitation, active seizures including status epilepticus, alcohol withdrawal, and chemotherapy-induced nausea and vomiting. [14]
Benzodiazepines with a half-life of less than 24 hours include alprazolam, bromazepam, brotizolam, flunitrazepam, loprazolam, lorazepam, lormetazepam, midazolam, nitrazepam, oxazepam, and temazepam. [111] The resultant equivalent dose is then gradually reduced.
Ativan (Lorazepam) is commonly prescribed for the treatment of anxiety. It possesses many of the desirable effects of other benzodiazepines with amnesic properties. It is an effective sedative with a medium length half-life and is useful for appointments that are longer than two hours.
Her records show she was given morphine, along with Ativan, a type of sedative, and Haldol, a powerful antipsychotic drug. All three medications are contained in the “comfort pack” that hospices ship to a patient’s house on admission. They are typically used in the final weeks of the patient’s life, when he or she is near death.
In the elderly a lower dose is recommended due to more pronounced effects and a significant impairment of standing up to 11 hours after dosing of 1 mg of loprazolam. The half-life is much more prolonged in the elderly than in younger patients. A half-life of 19.8 hours has been reported in elderly patients. [4]