The precise mechanisms by which gabapentin produces its analgesic and antiepileptic actions are unknown. Gabapentin is structurally related to the neurotransmitter gamma-aminobutyric acid (GABA ...

Gabapentin is taken by mouth and is available either as a capsule (100 mg, 300 mg, and 400 mg) or a tablet (600 mg and 800 mg). Gabapentin can be taken with or without food. When used for pain ...