Those things seem so expensive! Complicated.

In effect the magnets interrupt unwanted over-firing nerves.

Once the interruption is recognized often the nerve stops with time. I think magnets work on the ion channels like Lidoderm patches without the drug, of course.

I've used both, and have had good results with both. The Lidoderms seem more permanent over time, but I have good results with only 20 minutes or so with the magnets, as well. For my broken toe, I needed the magnet taped on for a few days...since it was taking down the swelling as well.

Alot depends on the person, and location of the pain, and what is really causing it. I've used magnets for over a decade, and still do now. I've made a 3 magnet pad, to lie on when my back keeps me from falling asleep. It works for me. This way I don't need medication, for the most part. Tylenol or Advil liquigels, or a dose of AlkaSeltzer, occasionally works for me too. I have Tramadol for bad days, but anything over 1/2 of a 50mg tab makes me nauseous and I have weird thoughts when I use it.
But the next day my pain is highly reduced. Seems I get 2 days effect. I must be a slow metabolizer!