Lidocaine Patch

Lidocaine Patch

Lidocaine Patch Recall

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Questions & Answers

Side Effects & Adverse Reactions


Accidental Exposure in Children

Even a used lidocaine patch contains a large amount of lidocaine (at least 665 mg). The potential exists for a small child or a pet to suffer serious adverse effects from chewing or ingesting a new or used lidocaine patch, although the risk with this formulation has not been evaluated. It is important for patients to store and dispose of lidocaine patch 5% out of the reach of children, pets and others. (See HANDLING AND DISPOSAL)

Excessive Dosing

Excessive dosing by applying lidocaine patch 5% to larger areas or for longer than the recommended wearing time could result in increased absorption of lidocaine and high blood concentrations, leading to serious adverse effects (see ADVERSE REACTIONS, Systemic Reactions). Lidocaine toxicity could be expected at lidocaine blood concentrations above 5 mcg/mL. The blood concentration of lidocaine is determined by the rate of systemic absorption and elimination. Longer duration of application, application of more than the recommended number of patches, smaller patients, or impaired elimination may all contribute to increasing the blood concentration of lidocaine. With recommended dosing of lidocaine patch 5%, the average peak blood concentration is about 0.13 mcg/mL, but concentrations higher than 0.25 mcg/mL have been observed in some individuals.

Legal Issues

There is currently no legal information available for this drug.

FDA Safety Alerts

There are currently no FDA safety alerts available for this drug.

Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

  • Lidocaine patch 5% is indicated for relief of pain associated with post-herpetic neuralgia. It should be applied only to intact skin.

History

There is currently no drug history available for this drug.

Other Information

Lidocaine patch 5% is comprised of an adhesive material containing 5% lidocaine, which is applied to a white non-woven polyethylene terephthalate (PET) material backing and covered with a transparent PET 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:

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Each adhesive patch contains 700 mg of lidocaine (50 mg per gram adhesive) in an aqueous base. It also contains the following inactive ingredients: glycerin, D-sorbitol, propylene glycol, polyvinyl alcohol, urea, sodium polyacrylate, carboxymethylcellulose sodium, gelatin, polyacrylic acid, kaolin, tartaric acid, dihydroxyaluminum aminoacetate, methylparaben, propylparaben, and edetate disodium.

Lidocaine Patch Manufacturers


  • Direct Rx
    Lidocaine Patch [Direct Rx]
  • Actavis Pharma, Inc.
    Lidocaine Patch [Actavis Pharma, Inc.]
  • Clinical Solutions Wholesale
    Lidocaine Patch [Clinical Solutions Wholesale]
  • Unit Dose Services
    Lidocaine Patch [Unit Dose Services]
  • Watson Laboratories, Inc.
    Lidocaine Patch [Watson Laboratories, Inc.]
  • Qualitest Pharmaceuticals
    Lidocaine Patch [Qualitest Pharmaceuticals]
  • Bryant Ranch Prepack
    Lidocaine Patch [Bryant Ranch Prepack]
  • Lake Erie Medical Dba Quality Care Products Llc
    Lidocaine Patch [Lake Erie Medical Dba Quality Care Products Llc]
  • Cardinal Health
    Lidocaine Patch [Cardinal Health]

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