This topic has been addressed in other posts. However, it is somewhat scatter shot, so I thought it would be appropriate to address it as a separate subject.
I have idiopathic small fiber neuropathy. I have tried numerous creams and other preparations. Sometimes I think they are working a little, sometimes not at all.
As examples, I have used lidocaine 5%, various cannabinoids (as balms, creams and soaks), cantherides (that hurt!) and various combinations of compounded creams containing lidocaine, ketamine, phenytoin, ketoralac and others (all of which are very expensive and not covered by MediCare).
One of my "theories" is that they are not penetrating enough, so I tried a few of them with DMSO cream, which is a solvent and supposedly penetrates the skin. Still no real success.
I'd be interested to hear from others about their experiences with topicals, and particularly any suggestions or tricks that makes them work better.