What medications are used in a lumbar puncture (LP)?

Updated: Aug 02, 2018
  • Author: Gil Z Shlamovitz, MD, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
  • Print
Answer

The amount of lidocaine provided in most kits is often inadequate. The authors recommend supplementing the kit with a 10-mL syringe and a bottle of 1% lidocaine. Make sure not to exceed the maximal recommend dose of 4.5 mg/kg of lidocaine. A smaller needle (27 gauge, 1.25 in.) may be used for infiltration. Smaller needles are shown to be associated with less pain during local anesthesia.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!