Lidocaine (patches and creams)

Overview

Very little gets into the bloodstream when used as directed.

What it's used for

• Nerve pain after shingles (5% patch)
• Minor aches and pains
• Numbing skin before needle sticks or minor procedures

How to take it

• Patch: apply to intact skin for up to 12 hours, then remove for 12 hours. Cut to size if needed.
• Don't heat the area or use on broken skin.
• Fold used patches and keep away from children and pets.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

• Redness or itching where applied

Warnings

• Don't use large amounts over big areas, especially in children.

Other medicines, foods, and alcohol

• Heart rhythm medicines like mexiletine add to side effects.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Ask your provider.

Missed doses, overdose, and storage

If you miss a dose

This medicine is often taken only when needed. If you take it on a schedule, take a missed dose when you remember, unless it's almost time for the next one. Don't double up.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

• Nerve pain after shingles (postherpetic neuralgia)
• Muscle strain or low back pain
• Hemorrhoids