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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Lightheadedness And Fatigue Through Out The Day?

My husband has had w/u for sx of lightheadedness and ongoing fatigue. Has had 2 sleep studies and uses CPAP, sleeps 7-8 hous/night, had sinus surgery 2.5 years ago and has been sinus infection free since....but continues to c/o lightheadedness and fatigue throughout the day. He is taking Benadryl each night as a sleep aide and to help with allergies. Also takes Lipitor and Valtrex.
Fri, 4 Aug 2017
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Pulmonologist,  's  Response
Thanks for your question on Healthcare Magic.
I can understand your concern.
Since your husband is having sleep apnea and using CPAP daily, we should rule out carbon dioxide retention as a cause for this symptoms.
Lightheadedness, easy fatiguability etc are commonly seen with CO2 retention in patients with CPAP.
So consult your doctor and get done arterial blood gas (ABG) analysis.
He may need titration of CPAP if CO2 is high.
Hope I have solved your query. I will be happy to help you further. Wishing good health to your husband. Thanks.
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What Causes Lightheadedness And Fatigue Through Out The Day?

Thanks for your question on Healthcare Magic. I can understand your concern. Since your husband is having sleep apnea and using CPAP daily, we should rule out carbon dioxide retention as a cause for this symptoms. Lightheadedness, easy fatiguability etc are commonly seen with CO2 retention in patients with CPAP. So consult your doctor and get done arterial blood gas (ABG) analysis. He may need titration of CPAP if CO2 is high. Hope I have solved your query. I will be happy to help you further. Wishing good health to your husband. Thanks.