Labetaloldrug info
labetalol hydrochloride 400 MG Oral Tablet
What it is used for
Labetalol HCl tablets are indicated in the management of hypertension. Labetalol HCl tablets may be used alone or in combination with other antihypertensive agents, especially thiazide and loop diuretics.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 19, 2026. 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 Tablets, USP are adrenergic receptor blocking agents that have both selective alpha 1 -adrenergic and non-selective beta-adrenergic receptor blocking actions in a single substance. Labetalol hydrochloride (HCl), USP is a racemate, chemically designated as 2-hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl) amino] ethyl] benzamide monohydrochloride and it has the following structural formula: Labetalol HCl, USP 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, USP is a white to off-white crystalline powder, soluble in water. Each tablet, for oral administration, contains 100 mg, 200 mg, 300 mg or 400 mg of labetalol hydrochloride, USP. In addition, each tablet contains the following inactive ingredients: corn starch, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, polysorbate 80, sodium starch glycolate and titanium dioxide. Chem Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective February 19, 2026. 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.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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