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HomeAnswersCardiologyasthmaWhy do I have shortness of breath while exercising?

While doing exercise I feel shortness of breath and sweating. Why?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Medically reviewed by

Dr. K. Shobana

Published At April 26, 2016
Reviewed AtNovember 30, 2023

Patient's Query

Hi doctor,

My problem started three years back for the first time when I started taking dumbbells for exercise. As I did not know from how much weight should I start, I took 20 kg (10 kg in each hands). Within a week of exercise I felt shortness of breath and so I stopped doing it and visited a doctor. He told me to take ECG and it came out normal, but I had higher pulse rate. When he checked my BP it was also high like 140/90 mmHg. So, he prescribed Nebicard 2.5 one tablet per day in the morning and it brought down my heart rate and BP. Since then I am not able to work hard and when I do something then excessive sweating and higher pulse happens. So, I visited a cardiologist and he asked an echo test. It was taken lying down and he told there is no problem, but I have a bicuspid aortic valve. He told to continue with Nebicard and take echo for every year.

But, even today I have symptoms like higher pulse and I can feel the heart beating hard when I touch the chest wall. Also, when I stand up suddenly my heart rate first increases and then decrease low after some seconds and I have sweating. This is accompanied with breathing difficulty. This stops to normal in some one or two minutes and heart rate becomes normal. This is happening to me since three years and still going on. What is wrong with me? Is BAV causing this? What test should I take now? I have done all blood tests, thyroid tests and kidney Doppler, everything were normal too. Please help.


Welcome to icliniq.com.

Thanks for consulting me at this platform. I have thoroughly gone through your case and can well understand your genuine health concerns. I think you need to carry out taking the same medication as this is a mandatory medication. Exercise induced asthma may also cause shortness of breath. Excess sweating is natural and this is also a side effect of almost every medication used for lowering heart rate. It is called postural hypotension, in which you feel sleepy and sometimes weak when standing up from sitting position.

Patient's Query

Thank you doctor,

May I know what is causing the postural hypotension? Is it the bicuspid valve? When I overlook in internet it says that one of the reason for hypotension is heart related issues like pumping inefficiency. Is the shortness of breath happening due to this when I stand up suddenly? I am concerned will this worsen in future and what complications can happen to my heart? Should I take any other tests like stress echo test or anything? Also I have been taking Nebicard 2.5 for almost two years now. Does taking this drug for a long period cause any side effect?


Welcome back to icliniq.com.

I have thoroughly gone through your case and can well understand your genuine health concerns.

The Probable causes

The probable cause is postural hypotension. It usually occurs due to heart abnormality or the peripheral blood vessel related issue. Yes, any of the heart defect that affects the pumping function of heart may cause such issues as in your case. Yes, shortness of breath is happening due to this. Regarding prognosis and future worsening, your cardiologist can tell you better as he has the advantage of having a physical examination and has the option of diagnostic investigations as needed. Each drug has its own side effects. No matter what they are, we need to see that you need it or not. So, do not worry as your doctor must have ruled that out for you.

Investigations to be done

Do echocardiography.

Regarding follow up

Revert back after the investigations to a cardiologist online.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Muhammad Majid Hanif
Dr. Muhammad Majid Hanif


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