The best replacement for novacaine is lidocaine.

The best alternatives to novacaine are rated as following:
★★★★★  lidocaine
★★  laughing gas
★  carbocaine
  novocaine
  nitrous oxide

Your alternative for novacaine is not listed? Suggest!
Speaking about novacaine, one probably shouldn't forget about epinephrine.

Other search terms related to novacaine and their ratings are:
★★★★★ epinephrine
You have in mind a companion for novacaine and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of novacaine in all years. Click on graph for more.
novacaine
lidocaine
laughing gas