A composition for therapy of a peripheral neuropathy disorder in a subject in need thereof. The composition comprises an effective amount of an agent selected from a group consisting of pirenzepine, oxybutynin, muscarinic toxin 7, a muscarinic receptor antagonist, and combinations thereof, and a pharmacologically acceptable carrier and/or an excipient. The composition is useful for therapy of peripheral neuropathies exemplified by peripheral neuropathies induced by systemic diseases, peripheral neuropathies induced by metabolic diseases, chemotherapy-induced peripheral neuropathies, compression-induced peripheral neuropathies, peripheral neuropathies induced by exposure to dichloroacetate, immune- mediated peripheral neuropathies, peripheral neuropathies induced by infections, and genetically acquired peripheral neuropathies.