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What should I know before using topical lidocaine?

Dr. Darria Long Gillespie, MD
Emergency Medicine
If you have heart conduction disorder (AV block) or impaired liver function, lidocaine may not be a good option for you.

Lidocaine may not be a good option for you if you are pregnant, planning to become pregnant, or may be pregnant. It is not known if it is safe for pregnant women.

If you are breastfeeding, note that lidocaine is passed into breast milk and thus may not be a good option for you.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition, or find a doctor.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.