About Lidocaine HCL 2% W/W
Local anesthetic
Used for
- Numbs skin or mucous membranes before minor procedures
- Relieves pain from mouth or throat irritation
- Helps numb the urinary tract during catheter procedures
Usual adult dose
Apply a small amount to the affected area as needed; urinary procedures require clinician-directed dosing.
Usual dose in children
Use only under clinician direction; dose depends on age, weight, and application site.
Common side effects
- Temporary burning, stinging, or irritation
- Numbness or altered taste
- Rarely, allergic reaction or serious heart or nervous-system effects
Important warnings
- Use only on the area and for the purpose stated on the label.
- Avoid swallowing; mouth or throat numbness can impair swallowing and increase choking risk.
- Excessive use or application to large, damaged areas can cause toxicity.
- Seek urgent care for seizures, severe dizziness, breathing difficulty, or irregular heartbeat.
Pregnancy
Absorption is usually limited when used correctly; use during pregnancy only when needed and as directed by a clinician.
Breastfeeding
Use cautiously; avoid applying where an infant could ingest it. Ask a clinician about nipple use.
Interactions
- Other local anesthetics may increase side effects.
- Medicines affecting heart rhythm may increase cardiac risk.
- Some medicines that slow lidocaine breakdown can raise its blood levels.
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 It may be incomplete or out of date.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.