"Young children have died or become seriously ill from accidental exposure to a skin patch containing fentanyl, a powerful pain reliever. As a result of this, the Food and Drug Administration (FDA) is issuing a Drug Safety Communication to warn pa"...
(lidocaine) Patch 5%
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.
What are the possible side effects of lidocaine topical?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using lidocaine topical and call your doctor at once if you have any of these serious side effects:
- uneven heartbeats;
- drowsiness, confusion;
- tremors, seizure (convulsions); or
- blurred vision.
Less serious side effects include:
- mild irritation, redness, or swelling where the medication is applied; or
- numbness in places where the medicine is accidentally...
What are the precautions when taking lidocaine patch 5% (Lidoderm)?
Before using lidocaine, tell your doctor or pharmacist if you are allergic to it; or to other local anesthetics; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: severe liver disease.
While wearing your patch, avoid exposing it to direct heat sources such as heating pads, electric blankets, heat lamps, saunas, hot tubs, heated waterbeds, or prolonged direct sunlight. Heat may cause more drug to be released into your body, increasing the chance of side effects.
If you are going to have an MRI test, tell testing personnel that you are using...
Last reviewed on RxList: 1/26/2015
This monograph has been modified to include the generic and brand name in many instances.
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