Pregabalin is a structural analogue of gamma-aminobutyric acid (GABA). It acts by presynaptic binding to the α -2-λ subunit of voltage-gated calcium channels that are widely distributed in the spinal cord and brain. This mechanism in pre and post-synaptic membranes leads to inhibition of excitatory neurotransmitters release. Compared with gabapentin, pregabalin due to its better fat solubility and transmission in blood-brain barrier is a more favorable replacement for this drug, with better pharmacokinetic properties and because of less hepatic metabolism, drug interactions are lower with pregabalin. Pregabalin in the treatment of neuropathic pain, incisional pain, aches and inflammatory pain induced by formalin has been used effectively. The open access journals are peer reviewed scholarly journals of Journal of Pain & Relief. The top open access journals are freely available on the public internet domain, allowing any end users to read, download, copy, distribute, prink, search or link to the full texts of the articles. These provide high quality, meticulously reviewed and rapid publication, to cater the insistent need of scientific community. These journals are indexed with all their citations noted.
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