The best replacement for allergen is antigen.

The best alternatives to allergen are rated as following:
★★★★★  antigen
★★★  irritant
★★  allergy
★★  hepa
★  pathogen
★  toxin

Your alternative for allergen is not listed? Suggest!


No companions for allergen have been suggested so far.
You have in mind a companion for allergen and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of allergen in all years. Click on graph for more.
allergen
antigen
irritant