The best replacement for aspirator is bulb syringe.

The best alternatives to aspirator are rated as following:
★★★★★  bulb syringe
★★  pooter
★  nosefrida
★  battery-operated nasal aspirator

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

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



Google Trends

Scale is based on the average worldwide traffic of aspirator in all years. Click on graph for more.
aspirator
bulb syringe
pooter