Directions

Take Gralise tablets with your evening meal. Swallow tablets whole with a full glass of water. Don't chew, break or crush.

Take Horizant tablets with food. Swallow tablets whole with a full glass of water. Don't chew, break or crush.

Take other forms of gabapentin with or without food.

Neurontin and generic forms of Neurontin tablets may be broken into two pieces. You can take the second half for your next dose. Don't use the half-tablet beyond 28 days after the whole tablet was cut or broken.

Carefully measure the liquid formulation of gabapentin using the measuring device that comes with the drug. If you did not receive a measuring device, please ask your pharmacist for a medication-measuring device.

If you take an aluminum or magnesium-containing antacid, such as Maalox®, Mylanta®, Gelusil®, Gaviscon®, or Di-Gel®, wait at least two hours before taking your next dose of gabapentin.

Take gabapentin exactly as prescribed by your healthcare provider.

Side effects

you have any of these symptoms, call your healthcare provider right away:

Signs of an allergic reaction: If you have a skin rash, hives, itching or swollen, blistered or peeling skin with or without fever contact your healthcare provider. You should also contact your provider if you have trouble breathing or swallowing, wheezing or swelling of your face, lips, throat, eyes, mouth or tongue

Changes in mood or behavior: Call your provider for any suicidal thoughts or thoughts about dying, suicide attempts, new or worsening depression, anxiety, irritability or feelings of agitation or restlessness. You should also call your provider for trouble sleeping, panic attacks, feelings of aggression or anger, impulsive behavior, extreme increase in activity or talking and other changes in mood or behavior, confusion, inability to focus or memory problems as these can be side effects of your medication.

Signs of liver abnormalities: Yellowing of your skin or whites of your eyes, dark urine, light-colored stools, vomiting, unusual bleeding or bruising.

Signs of kidney abnormalities: Trouble urinating, a change in how much urine is passed, blood in your urine, or weight gain and swelling of legs and feet from retaining fluid.

Other concerning abnormalities: Change in color of your skin to a bluish color on your lips, nail beds, fingers, or toes along with severe fatigue or weakness and unexpected muscle pain.

Precautions

Common side effects of gabapentin include:

Feeling tired.

Dizziness.

Headache.

Nausea and vomiting.

Fever.

Difficulty speaking.

Recurring infections.

Memory loss.

Weight gain.

Movement problems: coordination problems, being unsteady, tremors, jerky movements.

Eye problems: unusual eye movements, double vision.

Talk to your healthcare provider if any side effects do not go away.

Drug interactions

Overdose

If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include cold and clammy skin, low body temperature, slowed breathing, slowed heartbeat, drowsiness, dizziness, lightheadedness, deep sleep, loss of consciousness, or seizures.

Missed dosage

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

Storage

Store this medication at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom. Keep this and all medications out of the reach of children.