Hi @hairchic, Welcome to Connect. I've used a CPAP for going on 3 years and was using a SoClean machine also because of the convenience. I haven't had any allergies related to using a CPAP but then each of us are different. I wouldn't think a SoClean machine would make your allergy worse sense it's killing bacteria. I'm guessing it could be related if you are using a humidifier along with your CPAP machine and the hose tubing or humidifier tank wasn't sanitized regularly. It would be a great question to ask your sleep medicine doctor or care team.

I recently went to an ENT doctor to check my deviated septum to see what options I had to help me breath through both sides of my nose, the right side was mostly always plugged up. I would frequently use a nasal rinse at night and sometimes it helped but most of the time it didn't help. The ENT doctor gave me a special Mayo Clinic proprietary nose spray with three medicines in it and I use it twice a day with 2 sprays in each nostril after using a nasal rinse. It has really helped with my breathing with the CPAP.

You mentioned you have noticed a dripping nose recently. Have you discussed the new symptoms with your doctor or ENT doctor?

Me too. It started during the mask mandates for covid, go figure... have done everything dermatology has requested and still no improvement. Believing it is allergy to mask. I too have used SoClean machine. Everything was fine till 1+ ago.