The best replacement for nasal spray is flu shot.

The best alternatives to nasal spray are rated as following:
★★★★★  flu shot
★★★★  neti pot
★★★★  shot
★★★★  injection
★★★  decongestant
★★  drops
★★  nasonex
★  allergy pill
★  afrin
★  pump mist
★  oral decongestant
★  injections
  antihistamine
  injection vaccine
  h1n1 shot
  vaccine

Your alternative for nasal spray is not listed? Suggest!
Speaking about nasal spray, one probably shouldn't forget about rebound congestion.

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



Google Trends

Scale is based on the average worldwide traffic of nasal spray in all years. Click on graph for more.
nasal spray
flu shot
neti pot