While it can sometimes be difficult to pinpoint the problem that's causing breathlessness,it may be or may not be due to medication....the most common cause considering your history is asthma or acute exacerbation of copd, postnasal drip, and acid reflux the backflow of stomach acid that can irritate your throat,pneumonia, interstitial disease... Please consult nearest pulmonologist and get your pulmonary function tests done they will help you further...regars.
Answered2016-07-01 09:26:52
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