Lidoderm is a prescription based pain reliever that is applied through the use of a patch. Lidoderm is usually prescribed for the treatment of postherpetic neuralgia, or pain after shingles. According to the Lidoderm.com website, the patch is the first "lidocaine based topical medicine approved by the FDA" in the treatment of postherpetic neuralgia. The patches are created so that they can be cut to fit the affected area.
Absorption
The medication comes in a 5 percent pain reliever that can offer relief for up to 12 hours. The patch is designed to be applied directly at the site of your pain. The lidocaine is then absorbed into your bloodstream. According to Lidoderm.com, up to three patches may be used at one time. Your physician will show you apply the patch on your first application.
Safety Precautions
Lidoderm isn't recommended for use if you're allergic to lidocaine. If you develop an irritation or burning sensation after applying the patch, remove the patch and notify your physician. Never wear a patch for more than twelve hours, or you can develop a reaction. When disposing a patch, fold the patch in half, so that it sticks together. Then throw the patch away. Lidoderm still contains lidocaine even after you use it, and can pose a potential risk to pets and children if they come into contact with a patch. Always wash your hands after applying a patch to prevent lidocaine from being transferred to your eyes.
Reactions
You may develop some slight reactions to the patch during your treatment or after your treatment. Such reactions may include blisters, a change in skin color, itching, flaking of your skin, a rash, bruising, swelling, dizziness, headaches, nausea and a burning sensation. If these reactions become troublesome, remove or discontinue using the patch, and consult with your physician.
Allergic Reaction
An allergic response to lidocaine is rare but when it does happen you can develop a condition known as angioedema. Angioedema is when your skin swells rapidly . Your airways can also become constricted. Other possible allergic reactions can include shortness of breath, the sensation that your heart is pounding, the sensation that you want to scratch or you may develop hives or go into shock. If you experience any of these symptoms, seek immediate medical attention.
Warning
It is unknown whether the use of Lidoderm during pregnancy can cause adverse affects to your fetus. If you're breast feeding, lidocaine can be excreted into your breast milk. You should use caution while breast feeding your infant and using Lidoderm. Overdosing with Lidoderm is exceedingly rare. If you begin to develop a metallic taste in your mouth, tremors, ringing in your ears, blurry vision, vomiting, lightheadedness or if you begin to feel faint, seek immediate medical attention.
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