NEURONTIN Capsule / Film-coated tablet / Solution Ref.[10600] Active ingredients: Gabapentin

Source: FDA, National Drug Code (US)  Revision Year: 2020 

Product description

The active ingredient in NEURONTIN capsules, tablets, and oral solution is gabapentin, which has the chemical name 1-(aminomethyl)cyclohexaneacetic acid.

The molecular formula of gabapentin is C9H17NO2 and the molecular weight is 171.24. The structural formula of gabapentin is:

Gabapentin 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 both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is -1.25.

Each NEURONTIN capsule contains 100 mg, 300 mg, or 400 mg of gabapentin and the following inactive ingredients: lactose, cornstarch, talc, gelatin, titanium dioxide, FD&C Blue No. 2, yellow iron oxide (300 mg and 400 mg only), and red iron oxide (400 mg only).

Each NEURONTIN tablet contains 600 mg or 800 mg of gabapentin and the following inactive ingredients: poloxamer 407, copovidone, cornstarch, magnesium stearate, hydroxypropyl cellulose, talc, and candelilla wax

NEURONTIN oral solution contains 250 mg of gabapentin per 5 mL (50 mg per mL) and the following inactive ingredients: glycerin, xylitol, purified water, and artificial cool strawberry anise flavor.

Dosage Forms and Strengths

Capsules

  • 100 mg: white hard gelatin capsules printed with “PD” on the body and “Neurontin/100 mg” on the cap
  • 300 mg: yellow hard gelatin capsules printed with “PD” on the body and “Neurontin/300 mg” on the cap
  • 400 mg: orange hard gelatin capsules printed with “PD” on the body and “Neurontin/400 mg” on the cap

Tablets

  • 600 mg: white elliptical film-coated scored tablets debossed with “NT” and “16” on one side
  • 800 mg: white elliptical film-coated scored tablets debossed with “NT” and “26” on one side

Oral solution

  • 250 mg per 5 mL (50 mg per mL), clear colorless to slightly yellow solution
How Supplied

NEURONTIN (gabapentin) capsules, tablets, and oral solution are supplied as follows:

100 mg capsules:

White hard gelatin capsules printed with “PD” on the body and “Neurontin/100 mg” on the cap; available in:

Bottles of 100: NDC 0071-0803-24

300 mg capsules:

Yellow hard gelatin capsules printed with “PD” on the body and “Neurontin/300 mg” on the cap; available in:

Bottles of 100: NDC 0071-0805-24
Unit dose 50’s: NDC 0071-0805-40

400 mg capsules:

Orange hard gelatin capsules printed with “PD” on the body and “Neurontin/400 mg” on the cap; available in:

Bottles of 100: NDC 0071-0806-24
Unit dose 50’s: NDC 0071-0806-40

600 mg tablets:

White elliptical film-coated scored tablets debossed with “NT” and “16” on one side; available in:

Bottles of 100: NDC 0071-0513-24

800 mg tablets:

White elliptical film-coated scored tablets debossed with “NT” and “26” on one side; available in:

Bottles of 100: NDC 0071-0401-24

250 mg per 5 mL oral solution:

Clear colorless to slightly yellow solution; each 5 mL of oral solution contains 250 mg of gabapentin; available in:

Glass bottles containing 470 mL: NDC 0071-2012-23
Bottles containing 470 mL: NDC 0071-2012-44

Drugs

Drug Countries
NEURONTIN Austria, Australia, Brazil, Canada, Cyprus, Germany, Ecuador, Estonia, Spain, Finland, France, Hong Kong, Croatia, Ireland, Israel, Italy, Lithuania, Mexico, Netherlands, New Zealand, Poland, Singapore, Tunisia, Turkey, United Kingdom, United States, South Africa

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