How can a lidocaine patch work?

Topical analgesia. Lidocaine is a local anaesthetic. A Lidocaine patch is a topical analgesic. The patch has a membrane loaded with Lidocaine and a chemical which allows the Lidocaine to cross the skin.

Related Questions

How exactly does a lidocaine patch work?

See below. Lidocaine alters signal conduction in neurons by blocking the fast voltage gated sodium (na+) channels in the neuronal cell membrane that are responsible for signal propagation. When blocked the membrane of the postsynaptic neuron will not depolarize and will thus fail to transmit an action potential. Read more...
Absorption. The Lidocaine gets absorbed into the skin and acts at the local level to stop nerve conduction of the pain fibers in the region. Use only as directed and read the warnings! Read more...

Costochondritis not going away had it for six weeks now. How much longer will I suffer? NSAIDs and ibprofen don't work. Lidocaine patch temp relief

This can be an . issue for some as this condition can last weeks or months but it is typically self limiting but if it persists to a degree that it is interfering with your life then seek an opinion from your physician or a rheumatologist. Read more...

Would a lidocaine patch relieve pain?

Yes. It can e very helpful depending upon the circumstances. Talk with a doctor if there is pain in your life and discuss the patches to see if they might be helpful. Read more...