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What is the Standard Neurontin® Dosage?

Tricia Christensen
Updated May 17, 2024
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For the most part, it’s difficult to answer what the standard Neurontin® dosage is, since it may vary based on the condition it is treating and on the age of the person taking the drug. There are some general guidelines to follow, but each person should know that their condition might be unique and different dosage levels may apply. A medical professional can best determine the appropriate levels for each patient.

Neurontin® or gabapentin can be used to treat things like chronic pain from conditions such as postherpetic neuralgia, or it is used in the treatment of epilepsy. Its role in the treatment of psychiatric conditions is now highly questionable, and initial studies by the manufacturers were shown to have greatly exaggerated its mood stabilizing effects. When used for psychiatric purpose, doses ran from 900 to 1,200 milligrams to as much as 3,000 milligrams a day, but this is now not as common.

In the treatment of epilepsy or seizures, standard Neurontin® dosage may be begin with 900 milligrams a day, usually split into three daily doses. This would be the first recommendation for anyone 12 years old or older. The dose may be doubled as needed, and go up to 1,800 milligrams a day. Children under 12 years old receive a smaller dose that is calculated by body weight. Typically, 2.20 pounds (1 kg) translates to 10 or 15 milligrams of gabapentin. As such, child who is slightly over 40 pounds (20 kg) would receive a 200 to 300 mg dose, and this would usually be split into three equal doses.

The standard dosage may be approximately the same for those people with postherpetic neuralgia. Doses could begin as low as 300 mg for adults, and climb to about 1,800 milligrams, but dosing may be higher for people suffering from conditions like fibromyalgia, and adults might take a maximum dose of 2,400 mg per day. There are even some records of doses as high 3,600 mg a day to treat certain pain conditions, and these doses have been well tolerated in some patients.

Different recommendations exist for standard Neurontin® dosage if a patient has renal impairment, since gabapentin clears through the kidneys. In these cases, doses may be much lower and dose range might be as low as 100 to 300 milligrams per day with severe kidney impairment. It’s not verifiable in all cases that such a low dose would be worth administering.

People who take this medication are advised to remember that the dosage of this medication is highly individual, and charts or averages don’t determine single patient response. Patients should neither increase nor decrease this medication without guidance from a medical professional.

WiseGeek is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
Tricia Christensen
By Tricia Christensen
With a Literature degree from Sonoma State University and years of experience as a WiseGeek contributor, Tricia Christensen is based in Northern California and brings a wealth of knowledge and passion to her writing. Her wide-ranging interests include reading, writing, medicine, art, film, history, politics, ethics, and religion, all of which she incorporates into her informative articles. Tricia is currently working on her first novel.
Discussion Comments
By anon301349 — On Nov 03, 2012

I also have those same symptoms. I was diagnosed with costochondirtus. It causes the tissue on and around your ribcage to become seriously inflamed and anxiety tends to amplify it.

By anon252791 — On Mar 06, 2012

I suffer from extreme chronic pain in and around the rib cages and my chest wall. It has been going on for years. I became addicted to opiates and my life was an absolute mess.

In August 2011. I started taking Suboxone for opiate abuse, and I started on Gabapentin. At first, the dose was small, but eventually my primary care upped the dose to 2400 a day. The combination of Suboxone and the gabbies have turned my life around. I can make it through the day now without opiates, and my pain is reduced dramatically. I sometimes take extra gabbies, but don't seem to have any problems. What do you think about higher doses of gabbies, and what is the long term damage if any?

By anon174243 — On May 09, 2011

@Charlie89 - actually Gabapentin is used as an intravenous medication. Common dosage is between 800mg/day and 2400mg/day. Although it is only used IV in the treatment of addictions such as methamphetamine, alcohol and cocaine.

By anon169742 — On Apr 22, 2011

Again, it is not the same for every one. I have Fibromyalgia plus lower back pain due to a fall. The only side effect so far is a slight headache when the medicine is tapering off. I have just asked my doctor to up my meds to 200mg/3 days a week to help relieve a bit more pain. It seems to take affect within 15 mins. Since I tried Lyrica with bad side affects, Gabapentin seems to be doing the trick, or at least I feel better about myself than before taking the drug.

By Charlie89 — On Aug 07, 2010

@TunaLine -- No, gabapentin (neurontin) is not used intravenously, so there is no intravenous dosage.

It is only used in pill form, or in the form of an oral suspension.

By TunaLine — On Aug 07, 2010

Is neurontin ever used as an intravenous medication? Is there an appropriate IV dosage?

By closerfan12 — On Aug 07, 2010

I'm glad that you mentioned some of the concerns with neurontin.

In fact, neurontin has been associated with a lot of serious side effects, including nausea, anxiety, dizziness, and memory problems.

Other people have experienced sudden weight gain, fever, and joint pain.

Just another reason to follow those dosage precautions really carefully -- taking too much can really damage your body.

Tricia Christensen
Tricia Christensen
With a Literature degree from Sonoma State University and years of experience as a WiseGeek contributor, Tricia...
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