Covering a medication with saran wrap forces the drug deeper into the tissues. Any drug. The product EMLA was done this way, prior to
minor surgery of the skin or needle sticks for children.
The differences between Lidoderm and the ointment with saran wrap is that the patch delivers the lidocaine constantly, whereas the ointment may not. So duration may be shorter.
Lidoderms are 5%, and lidocaine ointments vary between
2 and 5% in strength.
There is an oral drug that works in a similar fashion, called
Mexitil.
http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0000413/
Some doctors won't give it though because of its side effect profile which is serious.
Lidocaine is part of a drug family called sodium ion channel
blockers.
This article explains, and gives names to other oral drugs:
http://en.wikipedia.org/wiki/Sodium_channel_blocker
__________________
All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
************************************
.
Weezie looking at petunias 8.25.2017
****************************
These forums are for mutual support and information sharing only. The forums are not a substitute for medical advice, diagnosis or treatment provided by a qualified health care provider. Always consult your doctor before trying anything you read here.