About lidocaine
Local anesthetic sodium-channel blocker
Used for
- Relief of nerve pain after shingles (post-herpetic neuralgia).
Usual adult dose
Apply up to 3 plasters to painful skin once daily for up to 12 hours within each 24-hour period.
Common side effects
- Skin redness
- Rash or itching
- Burning sensation at application site
Important warnings
- Use only on intact skin; avoid eyes and mucous membranes.
- Remove plasters before MRI or electrical procedures.
- Do not exceed prescribed application time or cover with external heat.
- Systemic toxicity is possible if too many plasters are used or skin is damaged.
Pregnancy
Use only if clearly needed; pregnancy safety information is limited.
Breastfeeding
Use cautiously; avoid applying to the breast or areas where an infant could contact it.
Interactions
- Other local anesthetics or lidocaine-containing medicines may increase side effects.
- Medicines affecting heart rhythm may require caution.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.