. Had my nose broken, about 47 years ago, along with allergies, not the best patient for CPAP.
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TL;DR There's more to using a CPAP machine than meets the eye. Read up on it.
Here's a link to a forum that may help:
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They have technician codes so you can adjust anything on your machine.
You can also find the manual for pretty much any CPAP machine online.
You may need new tubing, filter and a good cleaning for an older machine. There are special wipes available for regularly cleaning inside the mask. Wash your mask gently with dish soap and warm water.
The new machines are quieter and collect daily data on how long and well you sleep. It helps me to see my scores.
Some come with a humidifier that helps me from getting dry sinuses. During hot weather, it can be adjusted. Same for cold weather as the warm humidifier air meeting the cold air make rain in your tube and mask.
Masks last about 6 months due to the seal breaking down due to skin oils. You'll have to keep tighten it and fiddling with adjustments to keep from getting air leaks the older the mask gets. Change the filter every few months so the machine air flow is maintained.
You'll have to figure out the best way to keep the tubing from bothering you. I mount it to the head board with Velcro. There are other, more permanent ways to do it you can find online.
Sleeping on you side is possible. There are CPAP pillows available. I use a cylindrical neck pillow on top of one ir two regular pillows to adjust my sleep position.
I used my machine 356 days out of the last 365. The other nine days I was really sick.
I use a RESMED Fitlife full face mask due to irritation to my nose, nostrils and forehead by other machines. I recommend clean shaven face, moustache okay, for a full face mask.
Have you looked into getting your nose fixed and your sinuses cauterized? Should be covered by insurance. Also anti-allergy shots help.
I recommend using saline flushes like a netty pot or something like Simply Saline, at the minimum,every night before bed.
Breathe right strips help me. I use two at a time. Another thing that really helped was trimming nasal hair way down to increase air flow.
I had my septum straightened and cauterization in '98. Three weeks ago I had cauterization on both sides and removal of a nodule on the right side.
Cauterization is not permanent because you sinuses will eventually get inflamed again. Still, definitely worth it. Breathing much better.
Not all Docs do cauterization. I had to see three before I got what I needed.
Good luck.