lidocaine patch

Lidocaine is an amide-type, local anesthetic medication available in a patch form. Lidocaine, like other local anesthetics causes a loss of sensation by reducing the flow of sodium in and out nerves to decrease the initiation and transfer of nerve signals. The FDA approved lidocaine patch in March 1999.

GENERIC AVAILABLE: Yes

Yes

Lidocaine patches are prescribed for relief of pain associated with postherpetic neuralgia.

Common side effects of lidocaine patches include:

• local burning,
• bruising,
• blisters,
• itching,
• irritation,
• lightheadedness,
• dizziness,
• nausea,
• nervousness,
• blurred vision, and
• low blood pressure.

The recommended dose for lidocaine patches is to apply up to three patches, for up to 12 hours within a 24-hour period. Apply patches to intact skin to cover the most painful area; apply to intact skin, not over blisters or other skin that is not intact.

Lidocaine patches should be used with caution with anti-arrhythmia medications like:

• amiodarone (Cordarone),
• propafenone (Rhythmol),
• sotalol (Betapace),
• tocainide (Tonocard) and
• mexiletine (Mexitil).

Such combinations can affect heart rate and rhythm and cause other additive side effects.

There are no adequate studies done on lidocaine patches to determine safe and effective use in pregnant women.

Lidocaine may enter breast milk in trace amounts; therefore, it is best to be cautious before using it in nursing mothers.

What preparations of lidocaine patch-topical are available?

Lidocaine patch: 5%

How should I keep lidocaine patch-topical stored?

Store lidocaine patches between temperatures of 15 C to 30 C (59 F to 86 F).