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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Breathlessness When Laid Flat?

i took iodine otc for a week, 125 mg.
my breathing stops when i lay down to sleep. no obstruction. i feel like if i fall asleep i will die. what should i look for as a possible problem. i know correlation is not causation but thought possibly the iodine screwed up my sympathetic/parasympathetic system.
53 female, 5'4 150#
Thu, 25 Feb 2016
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Pulmonologist,  's  Response
Thanks for your question on Health Care Magic.
I can understand your concern.
There is no direct relation between iodine intake and these symptoms.
But iodine can cause allergic reaction in some individuals.
And this allergic reaction can cause sympathetic stimulation. This stimulation inturn cause stoppage of breathing.
So better to get done allergy testing for iodine.
Another possibility is heart diseases because breathlessness on lying flat is seen in heart failure.
So get done ecg and 2d echo to rule out heart diseases.
Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.
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What Causes Breathlessness When Laid Flat?

Thanks for your question on Health Care Magic. I can understand your concern. There is no direct relation between iodine intake and these symptoms. But iodine can cause allergic reaction in some individuals. And this allergic reaction can cause sympathetic stimulation. This stimulation inturn cause stoppage of breathing. So better to get done allergy testing for iodine. Another possibility is heart diseases because breathlessness on lying flat is seen in heart failure. So get done ecg and 2d echo to rule out heart diseases. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.