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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Having Difficulty In Taking Deep Breath. Taking Pseudophedrine. Taking Synthroid For Hypothyroidism. Are These Related?

I have been having breathing problems for a few years now. I have no wheeze at all, but I have trouble getting a deep breath. I have tried a variety of asthma medicines and none work at all for me. The only medicine that does work for me is pseudoephedrine . I do not want to a make a habit of taking it though, as I find it hard on the nervous system . As an aside, I am treated for hypothyroidism and take 137 mcg of synthroid daily. I was wondering if this breathing issue could result from insufficient thyroid hormones. I have a feeling the effect pseudoephedrine has on my breathing is a result of its effect on my nervous system rather than its effect as a decongestant. Could it be that pseudoephedrine stimulates my thyroid and hence my respiratory rate is increased? It s been a long, hard battle with this and I would appreciate insightful feedback. After dealing with this for years, I am happy to know something works. Now I just need to know why it works so I can get on a safer medication.
posted on Fri, 25 May 2012
Twitter Tue, 11 Jun 2013 Answered on
Twitter Tue, 11 Jun 2013 Last reviewed on
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General & Family Physician,  's  Response
Welcome to HCM. PseudoEphedrine(PE) is known to cause shortness of breath or troubled breathing.Further there is danger of coronary insufficiency if thyroid hormone and PE are given together due to a drug interaction.It would be best to get a pulmonary function test done and seek the opinion of a chest physician.Inhaled drugs may help troubled breathing safely,anxiety and stress may also cause such symptoms.
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Having Difficulty In Taking Deep Breath. Taking Pseudophedrine. Taking Synthroid For Hypothyroidism. Are These Related?

Welcome to HCM. PseudoEphedrine(PE) is known to cause shortness of breath or troubled breathing.Further there is danger of coronary insufficiency if thyroid hormone and PE are given together due to a drug interaction.It would be best to get a pulmonary function test done and seek the opinion of a chest physician.Inhaled drugs may help troubled breathing safely,anxiety and stress may also cause such symptoms.