An over-the-counter snoring device may not help because its purpose does not match the problem, the fit is unsuitable or another issue needs assessment. A disappointing result is information to review, not a reason to buy progressively stronger-sounding remedies.

Revisit the intended use
A nasal aid cannot be expected to address every source of throat vibration. A generic mouthpiece is not equivalent to an appliance fitted and monitored for your needs. Check what the product actually claims to do and whether you have followed its directions.
Review fit and tolerability
Discomfort can make consistent use difficult. Do not reshape, overtighten or combine devices beyond the instructions. Ask a pharmacist or relevant clinician about the specific difficulty; dental pain or bite changes merit dental advice.
Do not judge breathing by noise alone
Reduced snoring does not establish that sleep apnea is controlled. Conversely, a failed product does not diagnose sleep apnea. Breathing pauses, gasping or marked daytime sleepiness are reasons for medical assessment regardless of which device has been tried.
Bring a short product history
Record the product name, how it was used, any benefit and any discomfort. This helps a professional avoid repeating an unsuitable approach and consider appropriate options. You do not need to exhaust every product category before asking for help with persistent disruptive snoring.
Keep reading
Sources and further reading
Published by TannerMedico A/S, the manufacturer of Asonor. This article provides general information for adults and does not replace individual medical advice.
