Generic name: Gabapentin Capsules (GA ba pen tin)
Brand name: Neurontin
Drug class: Gamma-aminobutyric acid analogs
Medically reviewed by Drugs.com. Last updated on Sep 28, 2020.
Uses of Gabapentin Capsules:
- It is used to treat seizures.
- It is used to treat painful nerve diseases.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Gabapentin Capsules?
- If you are allergic to this medicine (gabapentin capsules); any part of this medicine (gabapentin capsules); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have kidney disease or are on dialysis.
This is not a list of all drugs or health problems that interact with this medicine (gabapentin capsules).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (gabapentin capsules) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Gabapentin Capsules?
- Tell all of your health care providers that you take this medicine (gabapentin capsules). This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how this medicine (gabapentin capsules) affects you.
- This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take this medicine (gabapentin capsules).
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Talk with your doctor before you drink alcohol or use other drugs and natural products that slow your actions.
- This medicine is not the same as gabapentin enacarbil (Horizant™). Do not use in its place. Talk with the doctor.
- Do not stop taking this medicine (gabapentin capsules) all of a sudden without calling your doctor. You may have a greater risk of side effects. If you need to stop this medicine (gabapentin capsules), you will want to slowly stop it as ordered by your doctor.
- A severe and sometimes deadly reaction has happened. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. If you have questions, talk with the doctor.
- Severe breathing problems have happened. Sometimes, this has been deadly. The risk may be greater in people taking certain drugs like opioid pain drugs or those with certain health problems like chronic obstructive pulmonary disease (COPD). The risk may also be greater in people who are older than 65. If you have questions, talk with the doctor.
- If you are 65 or older, use this medicine (gabapentin capsules) with care. You could have more side effects.
- Use with care in children. Talk with the doctor.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
How is this medicine (Gabapentin Capsules) best taken?
Use this medicine (gabapentin capsules) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Keep taking this medicine (gabapentin capsules) as you have been told by your doctor or other health care provider, even if you feel well.
- If you are taking an antacid that has aluminum or magnesium in it, take this medicine (gabapentin capsules) at least 2 hours after taking the antacid.
- Take with or without food. Take with food if it causes an upset stomach.
- Swallow whole with a full glass of water.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Trouble controlling body movements, twitching, change in balance, trouble swallowing or speaking.
- Memory problems or loss.
- Change in eyesight.
- Feeling confused, not able to focus, or change in behavior.
- Trouble breathing, slow breathing, or shallow breathing.
- Change in color of skin to a bluish color like on the lips, nail beds, fingers, or toes.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Not able to control eye movements.
- If seizures are worse or not the same after starting this medicine (gabapentin capsules).
- Swollen gland.
- Fever, chills, or sore throat; any unexplained bruising or bleeding; or feeling very tired or weak.
- Muscle pain or weakness.
- Get medical help right away if you feel very sleepy, very dizzy, or if you pass out. Caregivers or others need to get medical help right away if the patient does not respond, does not answer or react like normal, or will not wake up.
- Patients who take this medicine (gabapentin capsules) may be at a greater risk of having thoughts or actions of suicide. The risk may be greater in people who have had these thoughts or actions in the past. Call the doctor right away if signs like low mood (depression), nervousness, restlessness, grouchiness, panic attacks, or changes in mood or actions are new or worse. Call the doctor right away if any thoughts or actions of suicide occur.
What are some other side effects of Gabapentin Capsules?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Feeling dizzy, sleepy, tired, or weak.
- Upset stomach or throwing up.
- Dry mouth.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Gabapentin Capsules?
- Store at room temperature in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- This medicine comes with an extra patient fact sheet called a Medication Guide. Read it with care. Read it again each time this medicine (gabapentin capsules) is refilled. If you have any questions about this medicine (gabapentin capsules), please talk with the doctor, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Frequently asked questions
- Lyrica vs Gabapentin: What's the difference?
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- Is this a narcotic/controlled substance?
More about gabapentin
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Patient Tips
- Drug Images
- Drug Interactions
- Compare Alternatives
- Pricing & Coupons
- En Español
- 2271 Reviews
- Drug class: gamma-aminobutyric acid analogs
- Drug Information
- Gabapentin (Advanced Reading)
- Gabapentin Oral Solution
- Gabapentin Tablets (PHN)
- Gabapentin Tablets 600 mg and 800 mg
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.