Compositions are described according to embodiments of the present invention which include a neuronal potassium channel antagonist and a neuronal sodium channel antagonist, the neuronal potassium channel antagonist and the neuronal sodium channel antagonist each conjugated to a transporter moiety to form one or more conjugates. The transporter moiety is capable of crossing the blood/brain or blood/nerve barrier such that the conjugate is delivered to the brain and/or nerve. Inventive methods of treating a demyelinating condition in a subject are described herein which include administering an effective amount of a conjugate composition of the present invention to a subject having a demyelinating condition.
