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Lorazepam for injection formulated with polyethylene glycol 400 in propylene glycol with 2.0% benzyl alcohol as preservative. Lorazepam injectable solution is administered either by deep intramuscular injection or by intravenous injection. The injectable solution comes in 1 mL ampoules containing 2 or 4 mg of lorazepam.
Lormetazepam is not approved for sale in the United States or Canada. It is licensed in the UK as 0.5 and 1 mg tablets for short-term treatment (2–4 weeks) of moderately severe insomnia. It is licensed in the Netherlands as 1 and 2 mg tablets, under the brand names Loramet and Noctamid and as generic, available from several manufacturers. It ...
The pharmaceutical industry in Pakistan was estimated to be worth Rs. 748 billion (US$2.6 billion) in 2023, representing about 1% of the country's GDP. [1] The industry is largely import-dependent, with more than 90% of raw material being imported and only 12% of active pharmaceutical ingredients locally produced. [1]
Lorazepam is preferred to other benzodiazepines and zolpidem due to its longer duration of action. [4] An initial therapeutic effect typically occurs within 10–30 minutes of IV administration lorazepam at doses between 2–4 mg. [5] [4] Higher doses may be used in patients who are unresponsive, to minimise the chance of a false negative ...
Lorazepam can be made using 2-amino-2′,5-dichlorobenzophenone (a derivative of 2-amino-5-chlorobenzophenone), which is first reacted with hydroxylamine, the obtained product is then reacted with chloroacetyl chloride to give 6-chloro-2-chlormethyl-4-(2′-chlorophenyl)quinazolin-3-oxide, a reaction with methylamine produces ring expansion and rearrangement, which forms 7-chloro-2-methylamino ...
Midazolam is the only water-soluble benzodiazepine available. Another maker is Roxane Laboratories; the product in an oral solution, midazolam HCl Syrup, 2 mg/mL clear, in a red to purplish-red syrup, cherry in flavor. It becomes soluble when the injectable solution is buffered to a pH of 2.9–3.7. Midazolam is also available in liquid form. [16]
The dose of loprazolam for insomnia is usually 1 mg but can be increased to 2 mg if necessary. 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.
Delorazepams potency is approximately equal to that of lorazepam, being ten times more potent by weight than diazepam (1 mg delorazepam = 1 mg lorazepam = 5 mg diazepam), [21] typical doses range from 0.5 mg - 2 mg. Treatment is generally initiated at 1 mg for healthy adults and 0.5 mg in pediatric and geriatric patients and patients with mild ...