The best replacement for inhalers is nebulizers.

The best alternatives to inhalers are rated as following:
★★★★★  nebulizers
★★★  breathing treatments
★★★  generic inhalers
★  hfa
★  nebulizer
★  cfc
★  dry powder inhalers
★  nebulisers

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

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



Google Trends

Scale is based on the average worldwide traffic of inhalers in all years. Click on graph for more.
inhalers
nebulizers
breathing treatments