How Does Gabapentin Work?

Gabapentin appears to work by altering electrical activity in the brain and influencing the activity of chemicals called neurotransmitters, which send messages between nerve cells. Brand names for gabapentin include Horizant, Gralise, and Neurontin.

What does gabapentin do in the body?

Gabapentin is in a class of medications called anticonvulsants. Gabapentin treats seizures by decreasing abnormal excitement in the brain. Gabapentin relieves the pain of PHN by changing the way the body senses pain.

How long does it take for gabapentin to kick in?

6. Response and effectiveness. Peak concentrations of gabapentin (immediate-release) occur within 2 to 3 hours. Although gabapentin may improve sleep problems due to nerve pain within a week, it may take up to two weeks for symptom relief from nerve pain to occur.