Lidocaine patches offer a common topical solution for managing localized pain. These adhesive patches deliver pain relief directly to a specific body area. They are frequently used for conditions such as nerve pain from shingles (postherpetic neuralgia) and other localized neuropathic pain.
Lidocaine Patch Application and Effect Duration
Lidocaine patches are applied following a specific schedule for effectiveness and safety. The standard recommendation is to apply the patch for up to 12 hours, followed by a 12-hour break before applying a new one. This cycle ensures continuous medication delivery during application while allowing the body rest. Pain relief usually lasts throughout the 12-hour application period and may continue after removal. While some experience initial relief within 30 minutes to an hour, full therapeutic benefit can take 2 to 4 weeks of consistent daily use, and individual responses can vary.
How Lidocaine Patches Provide Relief
Lidocaine, the active ingredient in these patches, is a local anesthetic. It works by blocking nerve signals in the specific area where the patch is applied. This action prevents pain signals from traveling to the brain, reducing the sensation of pain. The patches utilize a transdermal delivery system, allowing lidocaine to be absorbed through the skin into underlying tissues. This targeted approach provides localized pain relief without widespread numbness or systemic effects.
Optimizing Patch Performance
Proper application techniques ensure the lidocaine patch adheres effectively and delivers its therapeutic effect; apply the patch to clean, dry, and intact skin. Choose an area with little or no hair, avoiding skin with scars, cuts, or irritation, to improve adhesion and absorption. Place the patch directly over the painful area, ensuring it lies flat without wrinkles for consistent contact. Some patches can be cut into smaller pieces to fit the affected area, but only if specifically instructed. Avoid activities that might dislodge the patch, such as vigorous exercise, or exposing it to excessive heat sources like heating pads, to maintain effectiveness.
Safe and Effective Patch Use
Adhering to the prescribed 12-hour on and 12-hour off cycle is important to prevent excessive systemic lidocaine absorption and minimize potential side effects; do not apply patches to broken, irritated, or damaged skin, as this increases bloodstream absorption. Avoid contact with eyes, nose, or mouth; if accidental contact occurs, rinse the area immediately with water. Common side effects can include skin reactions like redness, itching, or irritation, while more serious effects can include blurred vision, dizziness, or a fast heart rate. Proper disposal of used patches is necessary, as they still contain medication; fold sticky sides together and dispose of them out of reach of children and pets. Consult a healthcare professional for persistent pain, severe side effects, or any questions regarding the patch’s use, especially if other medications or underlying health conditions are present.