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Dry cough - caused by CPAP?
#1
Hi - I've been using my Philips Dreamstation APAP for almost 11 months now and am very happy with the results (much less daytime sleepiness).  But - the last couple months I can't seem to shake a middle of the night dry cough.  I live in Utah  (pretty dry) but use the humidifier on the machine all the time.   I don't have any cough during the day.    Any suggestions on what to do?    Thank you!
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#2
May not be from CPAP. It is spring; so, it's allergy season.
Since you are in Utah, maybe the humidifier just isn't enough for low humidity room air.
You might give some though to a room humidifier.

Plus, do you by chance take a med known as an ACE inhibitor. Some people develop a dry cough when taking ACE inhibitors.
ACE inhibitors are primarily for high blood pressure.
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#3
(04-21-2017, 10:54 AM)justMongo Wrote: "Plus, do you by chance take a med known as an ACE inhibitor.  Some people develop a dry cough when taking ACE inhibitors.
ACE inhibitors are primarily for high blood pressure."

Thanks for your response.  I don't take an ACE inhibitor, but trying to turn up the humidity setting on my machine sounds like a good idea.   I'll look into that.
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#4
I've found that I will start coughing while using my CPAP when the humidity drops to 45% or below. I have to use the humidifier and a heated hose to avoid this.  As the humidity drops my coughing increases.  Anything above 45% and I can use the CPAP without any problems.  I've seen posts in the past where people that were raised or a long time resident from a more arid location will have the opposite effect.  It seems to be one of those "Go figure" things.
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#5
I have to keep the humidity up to combat dryness, but if it gets too high, I start coughing.

I also run a separate humidifier in my room, and use a hygrometer to measure the humidity.
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.




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#6
Play with your humidity settings. If you still have that cough in a couple of weeks, make an appointment with your doctor OR if you have one of those Patient Portal things, send a note to your doc to find out if this is something that should be checked now or later. I usually see doc twice a year due to diabetes, so most things can wait until that appointment, but not everybody has a chronic condition.
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