Labetaloldrug info
labetalol hydrochloride 5 MG/ML Injectable Solution
What it is used for
Labetalol HCl Injection, USP is indicated for control of blood pressure in severe hypertension.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective July 10, 2024. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Labetalol Hydrochloride Injection, USP is an adrenergic receptor blocking agent that has both selective alpha 1 -adrenergic and nonselective beta-adrenergic receptor blocking actions in a single substance. Labetalol hydrochloride (HCl) is a racemate chemically designated as 5-[1-Hydroxy-2-[(1-methyl-3-phenylpropyl)amino]ethyl]-salicylamide monohydrochloride and it has the following structural formula: Labetalol HCl has the molecular formula C 19 H 24 N 2 O 3
HCl and a molecular weight of 364.87. It has two asymmetric centers and therefore exists as a molecular complex of two diastereoisomeric pairs. Dilevalol, the R,R' stereoisomer, makes up 25% of racemic labetalol. Labetalol HCl is a white or off-white crystalline powder, soluble in water. Labetalol HCl Injection, USP is a clear, colorless to light yellow, aqueous, sterile, isotonic solution for intravenous injection. It has a pH range of 3 to 4. Each milliliter contains 5 mg of labetalol HCl, 45 mg of anhydrous dextrose, 0.1 mg of edetate disodium; 0.8 mg of methylparaben and 0.1 mg of propylparaben as preservatives; and citric acid monohydrate and sodium hydroxide, as necessary, to bring the solution into the pH range. chemical formula
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective July 10, 2024. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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