The first lidocaine patch to enter the healthcare market was the LIDODERM patch. LIDODERM (lidocaine patch 5%) is comprised of an adhesive material containing 5% lidocaine, which is applied to a non-woven polyester felt backing and covered with a polyethylene terephthalate (PET) film release liner. The release liner is removed prior to application to the skin. The size of the patch is 10 cm x 14 cm.
Lidocaine is chemically designated as acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl), has an octanol: water partition ratio of 43 at pH 7.4, and has the following structure:
Each adhesive patch contains 700 mg of lidocaine (50 mg per gram adhesive) in an aqueous base. It also contains the following inactive ingredients: dihydroxyaluminum aminoacetate, disodium edetate, gelatin, glycerin, kaolin, methylparaben, polyacrylic acid, polyvinyl alcohol, propylene glycol, propylparaben, sodium carboxymethylcellulose, sodium polyacrylate, Dsorbitol, tartaric acid, and urea.
Several lidocaine patch products have since entered the healthcare marketplace. While LIDODERM is a prescription lidocaine patch product many others are marketed over the counter (OTC). Some of these other products are:
USES: This medication is used to relieve nerve pain after shingles (infection with the herpes zoster virus). This type of pain is called post-herpetic neuralgia. Lidocaine helps to reduce sharp/burning/aching pain as well as discomfort caused by skin areas that are overly sensitive to touch. Lidocaine is in a class of medications called local anesthetics. It works by stopping nerves from sending pain signals.
Use Lidocaine Patch as directed by your doctor. Check the label on the medicine for exact dosing instructions.
Ask your health care provider any questions you may have about how to use Lidocaine Patch.
This information is not intended as medical advice and should not replace medically supervised application. This information is for general reference only and should not be used to diagnose or treat any medical condition. Contact your license healthcare provider prior to using any topical lidocaine products.