Medications and DrugsBrand Names: Gralise, Horizant, NeurontinGeneric Name: gabapentin (Pronunciation: GA ba PEN tin)
What is gabapentin (Gralise, Horizant, Neurontin)?Gabapentin is an anti-epileptic medication, also called an anticonvulsant. It affects chemicals and nerves in the body that are involved in the cause of seizures and some types of pain. Gabapentin is used alone or in combination with other medications to treat seizures caused by epilepsy in adults and children who are at least 12 years old. Gabapentin is also used with other medications to treat partial seizures in children who are 3 to 12 years old. Gabapentin is also used in adults to treat nerve pain caused by herpes virus or shingles (herpes zoster), and to treat restless legs syndrome (RLS). Gabapentin may also be used for purposes not listed in this medication guide. Gabapentin 100 mg Cap-IVA white, imprinted with Logo 4381, 100 mg Gabapentin 100 mg-APO white, imprinted with APO, 112 Gabapentin 100 mg-GRE white, imprinted with G, 5026 Gabapentin 100 mg-TEV gray, imprinted with 93 38 Gabapentin 300 mg Cap-IVA white/yellow, imprinted with Logo 4382, 300 mg Gabapentin 300 mg-APO white/yellow, imprinted with APO, 113 Gabapentin 300 mg-GRE yellow, imprinted with G, 5027 Gabapentin 300 mg-TEV orange, imprinted with 93 39 Gabapentin 400 mg Cap-IVA orange/white, imprinted with Logo 4383, 400 mg Gabapentin 400 mg-APO orange/white, imprinted with APO, 114 Gabapentin 400 mg-GRE orange, imprinted with G, 5028 Gabapentin 400 mg-TEV brown, imprinted with 93 40 Gabapentin 600 mg Tab-IVA oval, white, imprinted with Logo 4443, 600 Gabapentin 600 mg-APO oblong, white, imprinted with APO, GAB 600 Gabapentin 600 mg-GRE elliptical, white, imprinted with G 21 Gabapentin 800 mg Tab-IVA oval, white, imprinted with Logo 4444, 800 Gabapentin 800 mg-APO oblong, white, imprinted with APO, GAB 800 Gabapentin 800 mg-GRE elliptical, white, imprinted with G 22 Neurontin 100 mg white, imprinted with Neurontin 100 mg, PD Neurontin 300 mg yellow, imprinted with Neurontin 300 mg, PD Neurontin 400 mg orange, imprinted with Neurontin 400 mg, PD Neurontin 600 mg oval, white, imprinted with NEURONTIN 600 Neurontin 800 mg oval, white, imprinted with NEURONTIN 800 What are the possible side effects of gabapentin (Gralise, Horizant, Neurontin)?Get emergency medical help if you have any of these signs of an allergic reaction: hives; fever; swollen glands; painful sores in or around your eyes or mouth; difficulty breathing; swelling of your face, lips, tongue, or throat. Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, depression, or if you feel agitated, hostile, restless, hyperactive (mentally or physically), or have thoughts about suicide or hurting yourself. Call your doctor at once if you have a serious side effect such as:
Some side effects are more likely in children taking gabapentin. Contact your doctor if the child taking this medication has any of the following side effects:
Less serious side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What is the most important information I should know about gabapentin (Gralise, Horizant, Neurontin)?You should not use this medication if you are allergic to gabapentin. Before taking gabapentin, tell your doctor if you have kidney, liver, or heart disease. You may have thoughts about suicide while taking gabapentin. Your doctor will need to check you at regular visits. Do not miss any scheduled appointments. Report any new or worsening symptoms to your doctor, such as: mood or behavior changes, anxiety, depression, or if you feel agitated, hostile, restless, hyperactive (mentally or physically), or have thoughts about suicide or hurting yourself. Do not stop taking gabapentin for seizures without first talking to your doctor, even if you feel fine. You may have increased seizures if you stop using gabapentin suddenly. You may need to use less and less before you stop the medication completely. Contact your doctor if your seizures get worse or you have them more often while taking gabapentin. Wear a medical alert tag or carry an ID card stating that you take gabapentin. Any doctor, dentist, or emergency medical care provider who treats you should know that you take seizure medication. (Page 1 of 3) Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. 
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