Gabapentin Coupon - Gabapentin 300mg capsule

Generic Neurontin

Gabapentin (Neurontin) is an inexpensive drug used to control partial seizures in adults with epilepsy. It is also used to treat certain types of nerve pain. This drug is more popular than comparable drugs. It is available in generic and brand versions. Generic gabapentin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. The lowest GoodRx price for the most common version of gabapentin is around $9.74, 86% off the average retail price of $71.62. Compare anti-epileptics.
Gabapentin Coupon - Gabapentin 300mg capsule

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Gabapentin Overview
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What is Gabapentin?

Treats tingling and burning nerve pain. Neurontin (gabapentin) is an old seizure disorder medicine that is now used to treat nerve-related pain caused by different conditions.

Gabapentin Quick Facts

Proper Use

Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.

This medicine comes with a Medication Guide. Read and follow the instructions carefully. Ask your doctor if you have any questions.

If you are using Gralise® tablets:

  • These should be taken with the evening meal.
  • Swallow the tablet whole. Do not crush, break, or chew it.

For patients with epilepsy who take gabapentin three times per day, do not allow more than 12 hours to pass between any 2 doses. The medicine works best if a constant amount is in the blood.

Neurontin® capsules, tablets, and solution may be taken with or without food.

You may break the scored Neurontin® tablets into two pieces, but make sure you use the second half of the tablet as the next dose. Do not use the half-tablet if the whole tablet has been cut or broken after 28 days. Ask your doctor or pharmacist if you have any questions.

Swallow the capsule whole with plenty of water. Do not open, crush, or chew it.

Measure the oral liquid using a marked measuring spoon, oral syringe, or medicine cup. The average household teaspoon may not hold the right amount of liquid.

If you take an antacid that contains aluminum or magnesium, wait at least 2 hours before taking gabapentin. Some examples of these antacids are Di-Gel®, Gaviscon®, Gelusil®, Maalox® and Mylanta®.

Only use the brand of this medicine that your doctor prescribed. Different brands may not work the same way.

Gabapentin side effects

Common Side Effects
When taken for
  • Dizziness28%
  • Drowsiness21%
  • Swelling in the limbs8%
  • Abnormal physical weakness6%
  • Diarrhea6%
  • Infection5%
  • Dry mouth5%
  • Constipation4%
  • Nausea4%
  • Headache3%
  • Accidental injury3%
  • Stomach pain3%
  • Vomiting3%
  • Worse coordination3%
  • Thinking abnormal3%
  • Decreased vision3%
  • Gas2%
  • Weight gain2%
  • Abnormal gait2%
  • Lack of coordination2%

Serious Side Effects

  • Suicidal thoughts or behavior

    Neurontin (gabapentin) may increase the risk of suicidal thoughts or behavior as early as 1 week after starting treatment. Watch for the start or worsening of depression, suicidal thoughts or behavior, or any unusual changes in mood or behavior. Tell your doctor immediately if you are worried.

  • Neurologic and psychiatric side effects (children)
      Higher risk if:
    • Children ages 3 to 12

    Using Neurontin (gabapentin) may cause emotional ups and downs, aggressive behavior, problems concentrating, restlessness, hyperactivity, and changes in school performance. When these side effects occur, they are usually mild to moderate in intensity.

  • Serious allergic reaction and multiple organ problems

    People taking Neurontin (gabapentin) have had a serious rash and multiple organ problems known as Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS). It can be life-threatening. Call a doctor immediately if you experience a fever, rash, hives, swollen lips or tongue, or unusual bruising or bleeding.

  • Driving impairment
      Higher risk if:
    • Taking Neurontin (gabapentin) with alcohol
    • Taking other medicines that cause dizziness and/or drowsiness

    Taking Neurontin (gabapentin) can make you feel sleepy, tired, and affect your coordination. Avoid activities that require you to be alert, such as driving a car or operating machinery, until you know how Neurontin (gabapentin) affects you.

  • Withdrawal seizures
      Higher risk if:
    • Stopping Neurontin (gabapentin) suddenly

    If you use Neurontin (gabapentin) for seizures, stopping Neurontin (gabapentin) suddenly can increase the number of seizures. Talk to your doctor before making any changes. Gradually lower your dose to avoid withdrawal seizures.

Additional Information about Gabapentin side effects

Gabapentin interactions & warnings

Drug interactions

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Calcifediol
  • Orlistat

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Aluminum Carbonate, Basic
  • Aluminum Hydroxide
  • Aluminum Phosphate
  • Dihydroxyaluminum Aminoacetate
  • Dihydroxyaluminum Sodium Carbonate
  • Ginkgo
  • Magaldrate
  • Magnesium Carbonate
  • Magnesium Hydroxide
  • Magnesium Oxide
  • Magnesium Trisilicate
  • Morphine
  • Morphine Sulfate Liposome
Other interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Additional Information about Gabapentin interactions and warnings

Gabapentin dosages


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage forms (capsules, liquid, and tablets):
    • For epilepsy:
      • Adults and children 12 years of age and older—At first, 300 milligrams (mg) three times per day. Your doctor may adjust your dose as needed. However, the dose is usually not more than 2400 mg per day.
      • Children 3 to 11 years of age—Dose is based on body weight and must be determined by your doctor. The starting dose is 10 to 15 milligrams (mg) per kilogram (kg) of body weight per day and divided in 3 doses. Your doctor may adjust your dose as needed.
      • Children younger than 3 years of age—Use and dose must be determined by your doctor.
    • For postherpetic neuralgia:
      • Adults— At first, 300 milligrams (mg) as a single dose in the evening. Your doctor may adjust your dose as needed. However, the dose is usually not more than 1800 mg per day.
      • Children—Use and dose must be determined by your doctor.
Missed dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Gabapentin reviews

3.4 / 5 average rating with 620 reviews for Gabapentin from

2 Tips about Gabapentin from

53 year old woman
  • Used for two years or more
  • Taken for Pain after surgery

Reviewed gabapentin on 3/6/2018

  • Worth it
  • Worked well
  • Low hassle
I wasn't aware that this med could contribute to higher weight, especially since I'm frequently prescribed Prednisone for flare-ups due to Rheumatoid Arthritis. I currently use 800mg tablets three times daily. The only noticeable side effects are dry mouth and increased weight gain as previously mentioned. I feel Gabapentin is worthwhile and an effective part of my Treatment Plan.
55 year old woman
  • Used for two years or more
  • Taken for Nerve pain

Reviewed gabapentin on 3/1/2018

  • Not worth it
  • Worked so-so
  • Big hassle
Never to have alcohol when taking it. I noticed the new prescriptions of Gabipentin now has warnings about alcohol and even driving.
View All Gabapentin Reviews on

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Gabapentin fact sheet

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