The best replacement for fever blister is cold sore.

The best alternatives to fever blister are rated as following:
★★★★★  cold sore
★★★★  pimple
★★★  impetigo
★★  canker sore
★  pimple on lip
★  zit
★  chapped lips
  canker sores
  oral herpes

Your alternative for fever blister is not listed? Suggest!
Speaking about fever blister, one probably shouldn't forget about swollen lip.

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



Google Trends

Scale is based on the average worldwide traffic of fever blister in all years. Click on graph for more.
fever blister
cold sore
pimple