Once-Dailydrug info
Once-Daily gabapentin 600 MG Oral Tablet
What it is used for
Gabapentin tablets are indicated for the management of postherpetic neuralgia. Gabapentin tablets are not substitutable with other gabapentin products because of differing pharmacokinetic profiles that affect the frequency of administration. Gabapentin tablets are indicated for the management of Postherpetic Neuralgia (PHN).
Important Limitation: Gabapentin tablets are not substitutable with other gabapentin products because of differing pharmacokinetic profiles that affect the frequency of administration (See Warnings and Precautions )
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 26, 2025. 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
Gabapentin tablets contain gabapentin USP, a gamma-aminobutyric acid (GABA) analogue, as the active pharmaceutical ingredient. Gabapentin’s chemical name is 1-(aminomethyl)cyclohexaneacetic acid; with a molecular formula of C 9 H 17 NO 2 and a molecular weight of 171.24 g/mol. Gabapentin chemical structural formula is: Gabapentin, USP is a white to off-white crystalline solid with a pKa1 of 3.7 and a pKa2 of 10.7. It is freely soluble in water and acidic and basic solutions. The log of the partition coefficient (n-octanol/ 0.05M phosphate buffer) at pH 7.4 is -1.1. Gabapentin tablets are intended for oral administration and are supplied as tablets containing 300 mg, or 600 mg of gabapentin USP. Each 300 mg tablet contains the inactive ingredients copovidone, hypromellose, lecithin (soya), magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyethylene oxide, polyvinyl alcohol-partially hydrolysed, talc and titanium dioxide. Each 600 mg tablet contains the inactive ingredients copovidone, hypromellose, iron oxide yellow, magnesium stearate, polyethylene glycol, polyethylene oxide, polyvinyl alcohol-partially hydrolysed, talc and titanium dioxide. gabapentinstructure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective May 26, 2025. 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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