5% Lidocaine: Uses, Side Effects, and Drug Interactions

Brand names: NUMBING PAIN RELIEF

# 5% Lidocaine Overview 5% lidocaine is a numbing medicine that comes in a cream or patch form. It works by blocking pain signals in your skin, making the area feel numb. People use it to get temporary relief from minor aches and pains, like sore muscles, arthritis pain, or minor injuries. You can buy it without a prescription at most drugstores. The medicine only numbs the surface of your skin where you apply it, so it's good for localized pain that you can see or feel on the outside of your body. When using 5% lidocaine, follow the directions on the package carefully and only use it on unbroken skin. Don't use it on large areas of your body or for long periods of time without talking to a doctor first. Keep it away from children and pets, and wash your hands after applying it (unless you're treating your hands). If you have allergies to local anesthetics, are pregnant, or take other medications, check with your doctor or pharmacist before using it. Stop using it and contact a doctor if you experience any unusual reactions like redness, swelling, or signs of an allergic reaction.

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Most Reported Side Effects (FAERS)

  • PALLOR7 reports
  • ABDOMINAL PAIN1 reports
  • BLOOD PRESSURE DECREASED1 reports
  • CHILLS1 reports
  • CONVULSION1 reports
  • DEATH1 reports
  • DRUG ADMINISTERED TO PATIENT OF INAPPROPRIATE AGE1 reports
  • DRUG HYPERSENSITIVITY1 reports
  • DYSAESTHESIA1 reports
  • ERYTHEMA1 reports

Source: FDA Adverse Event Reporting System (FAERS). Voluntary reports do not establish causation.

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SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.