Thank you very much for contacting healthcare magic. According to your complain you have problem of shortness of breath that may be because of of respiratory problems. Pneumonia or tuberculosis like situation cause breathing difficulties. More coughing lead to excessive straining of muscle. Consult a pulmonologist for further diagnosis. Chest X ray can done to check lung problem. Please mention your cough color ,consistency And frequency. That one help in diagnosis. Sputum culture and complete blood cell count helpful. Auscaltation examination and peak flow test helpful for further diagnosis. I hope my guidance helpful to you.. Take care. Thank you.