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Increase in Cpapp pressure

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Sumatopoppih +0 points · about 1 month ago Original Poster

I’m a veteran Cpapp user. I moved to the auto version in 2002. The fantastic change to my life has mellowed a d I’m seeing recurrence of many of my initial problems with OSApnea. After two sleep tests I was prescribed a 10cm pressure. Of late I notice the Auto Cpapp has raised pressure to 16. I have difficulty getting to sleep, wake up a few times at night and don’t feel refreshed and attentive in the morning. I get dry mouth, dry nose and do have difficulty breathing. Does anyone know why this could be happening?

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Sierra +0 points · about 1 month ago Sleep Patron

It is easy to switch the machine to fixed pressure CPAP mode. If you can get a low AHI with a fixed pressure of 10 cm then that would be a good thing to try. With respect to the dry mouth and nose, so you have a heated hose on the machine. If you do it will set the humidity control at auto which should get the humidity right. The other possibility if you are using a nasal mask is that you are opening your mouth while sleeping. That lets air escape and can give you a very dry mouth.

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raysmith45 +0 points · about 1 month ago

Are you getting blow-by?, by that I mean is air being forced out of your mouth when on the machine. I was getting Blow-by on my Rx of 10-13, the pressure was just too high. I experimented with different pressured in CPAP mode (nasal pillows) and settled on a setting of 5.2, Climate Control on Auto ( heated tube). If you continue to experience dry mouth consider getting/using a chin strap to keep mouth from dropping open. Good Luck.

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Sumatopoppih +0 points · 29 days ago Original Poster

Thanks to all those that gave me useful hints on how to control excessive pressure. Fixed the pressure and it works fine now.

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Sierra +0 points · 29 days ago Sleep Patron

How did you fix the pressure?

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