Gabapentin (By mouth)
Treats seizures, restless leg syndrome (RLS), and pain caused by shingles.
Active-Pac With Gabapentin, FusePaq Fanatrex, Gabarone, Gralise, Neurontin, Therapentin-60, Therapentin-90There may be other brand names for this medicine.
When This Medicine Should Not Be Used:This medicine is not right for everyone. Do not use it if you had an allergic reaction to gabapentin.
How to Use This Medicine:
Capsule, Liquid, Tablet, Long Acting Tablet
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you. If you have epilepsy, do not allow more than 12 hours to pass between doses.
- If you break the Neurontin® tablets into 2 pieces, make sure to use the second half as your next dose.
- Swallow the Gralise® tablet or the Horizant® extended-release tablet whole. Do not crush, break, or chew it.
- Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
- This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose. Horizant® extended-release tablets: If you miss a dose, skip that dose and go back to your regular dosing schedule.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Store the Neurontin® oral liquid in the refrigerator. Do not freeze.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Some medicines can affect how gabapentin works. Tell your doctor if you also use any of the following:
- If you take an antacid, wait at least 2 hours before you take gabapentin.
- Tell your doctor if you use anything else that makes you sleepy. Some examples are allergy medicine, narcotic pain medicine, and alcohol.
Warnings While Using This Medicine:
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney problems or are receiving dialysis. Tell your doctor if you have a history of cancer, depression, or mental illness.
- This medicine can cause serious skin reactions.
- This medicine can increase depression and thoughts of suicide. Tell your doctor right away if you start to feel more depressed and have thoughts about hurting yourself.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely. Your seizures may return or occur more often if you stop this medicine suddenly.
- This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
- Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Behavior problems, aggression, restlessness, trouble concentrating, moodiness (especially in children)
- Blistering, peeling, or red skin rash
- Problems with coordination, shakiness, unsteadiness
- Depression, thoughts of hurting yourself
- Fever, cough, chills, sore throat, stuffy or runny nose, body aches
- Swelling in your hands, ankles, or feet
- Swollen or tender glands in the neck, armpit, or groin
- Unusual bleeding or bruising
- Yellow skin or eyes
If you notice these less serious side effects, talk with your doctor:
- Dizziness, sleepiness, tiredness
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
Last Updated: 11/4/2014
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