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Lidoderm vs. Salonpas

Lidocaine 5% patch (Lidoderm) is a prescription medication used to relieve nerve pain caused by a shingles infection, also called postherpetic neuralgia (PHN). It's a local anesthetic that works by numbing your nerves to help reduce pain. You apply the patch directly to the painful area of your skin once a day, and it can be worn for up to 12 hours in a 24-hour period. Common side effects include temporary skin irritation, redness, and a mild burning sensation where the patch is applied.

• Nerve pain caused by shingles (postherpetic neuralgia)

• Blisters
• Bruising
• Burning sensation
• Changes in skin color
• Rash or redness
• Swelling
• Peeling or flaking skin
• Itching
• Small bumps or spots
• Tiny red or purple dots under the skin
• Tingling or numbness in the area

• Blood problem (methemoglobinemia)
• Absorbing too much medication
• Accidental poisoning in children or pets

Lidocaine 4% patch (Salonpas) is an over-the-counter (OTC) medication used to relieve minor muscles and joint pain in adults and children 12 years and older. It's often used for temporary relief of backaches, arthritis, strains and sprains, and bruises. The patch is a local anesthetic that numbs the area where it's applied. You place the patch directly on the skin and can use it 3 to 4 times a day, leaving it on for up to 8 hours at a time. Common side effects include mild skin irritation or redness where the patch is applied.

Temporary relief of minor pain due to:

• Backaches
• Arthritis
• Strains and sprains
• Bruises

• Rash
• Skin irritation
• Itching
• Redness

• Blood problem (methemoglobinemia)
• Absorbing too much medication
• Accidental poisoning in children or pets