Which medications in the drug class Anticonvulsants, Other are used in the treatment of Nerve Entrapment Syndromes of the Lower Extremity?

Updated: Oct 15, 2019
  • Author: Minoo Hadjari Hollis, MD; Chief Editor: Thomas M DeBerardino, MD  more...
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Answer

Anticonvulsants, Other

Some agents in this category have shown benefit in the treatment of neuropathic pain.

Pregabalin (Lyrica)

Pregabalin is a structural derivative of gamma-aminobutyric acid (GABA). Its mechanism of action is unknown. The drug binds with high affinity to the alpha2-delta site (a calcium channel subunit). In vitro, it reduces the calcium-dependent release of several neurotransmitters, possibly by modulating calcium channel function.

Gabapentin (Neurontin)

Gabapentin, a membrane stabilizer, is a structural analogue of the inhibitory neurotransmitter GABA, although, paradoxically, it is thought not to exert an effect on GABA receptors. It appears to exert its action via the alpha2delta1 and alpha2delta2 auxiliary subunits of voltage-gaited calcium channels.

Carbamazepine (Tegretol, Carbatrol, Epitol)

Carbamazepine has antineuralgic effects. It may depress the activity of the nucleus ventralis of the thalamus or may decrease synaptic transmission or summation of temporal stimulation, thus leading to neural discharge by limiting the influx of sodium ions across the cell membrane or through other unknown mechanisms. The target blood serum concentration range is 4-12 mg/L.


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