Mexiletine (Mexitil®)
Mexiletine (Mexitil®), an orally taken form of lidocaine, was originally approved to treat irregular heartbeats, but sometimes is effective in the relief of chronic nerve pain. Mexiletine reduces pain by adhering to peripheral nerves and reducing pain signals carried from the peripheral nerves to the central nervous system and brain. Over time, as mexiletine bonds to the peripheral nerves, the feeling of pain is diminished. Mexiletine is being used experimentally to treat pain associated with different kinds of peripheral neuropathy.
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