Could this be asthma?
I have been taking a beta-blocker for about 3 weeks now for a fast heartbeat episodes a couple of months back. About 5 days or so, I noticed that at times, it seems like it is harder for me to inhale than usual. Especially if I just breathe through my nose, it seems harder than when I open my mouth. Other times, I don't notice anything at all. It's not that I'm short of breath, just that each breath seems a little harder than normal. It may go all day or just a couple of hours on a scale of 1-10, 10 being worst possible discomfort, I would say it is around a 4. I also have allergies and eczema. When I went for fasthearbeat/shortness of breath 2 months ago, doctors didn't say anything about asthma, they were more concerned with my heart. Is this something to worry about?
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