For some people with allergies to airborne particles, nasal filters can help prevent allergy symptoms.

What Is a Nasal Allergy Filter?

It also doesn’t cause significant side effects.

Man taking a walk in the fall

Adam Crowley / Blend Images / Getty Images

These devices are available over the counter (OTC) and are generally disposable.

There are several brands, and they each have instructions for use on the box.

Treatments for allergic rhinitis often include medications andallergen immunotherapy.

And some people use them every day.

Do Nasal Allergy Filters Work?

Several studies have examined the effects of nasal filters on allergic rhinitis symptoms.

Overall, the devices appear to be safe, easy to use, and beneficial for some people.

The Rhinix machine showed no benefit over a placebo filter machine for preventing runny nose and nasal congestion.

Another study using the same rig evaluated 65 adult participants who had been diagnosed with grass allergies.

The nasal filter was completely safe to use, was well tolerated, and caused no significant side effects.

Of the study group, 630 participants expressed interest In continuing to use the machine.

2015;136(6):1566-1572. doi:10.1016/j.jaci.2015.05.015

Cohen B.Allergic rhinitis.Pediatrics in Review.

2023;44(10):537-550. doi:10.1542/pir.2022-005618

Asthma and Allergy Foundation of America.Nasal allergies (rhinitis).

Wheatley LM, Togias A.Allergic rhinitis.N Engl J Med.

2016;4(3):445-452. doi:10.1016/j.jaip.2016.01.003