Difficulty in swallowing could be due to throat infection/pharyngitis , breathing problem could be due to heavy exercises,do exercise under expert guidance with gradually increasing the duration and intensity of exercise as your body takes time to adjust to the intensity gradually,as it is decreasing in it's own,if there is any spasm related to pushups you can use muscle relaxant medication temporarily

Take a consultation with pulmonologist for better evaluation and treatment

Hi. I understand your concern. Do a online consult for a detailed analysis of your symptoms and to suggest you further management plan and treatment prescription for the same

What's the interval between finishing up your exercise and dinner? Is there audible whistling sound? Does this problem of breathing difficulties arise only on the days you exercise?

There are many possible causes based on your symptoms. Try to avoid excessive straining and stay hydrated. If persistent symptoms, better to get a consult.

May be you have pharyngitis, which explains difficulty in swallowing. Breathing difficulty may be due to heavy exercises. May be due to Allergy. As you said,May be due to muscle contraction.Detailed history is needed. Pl give gap between push ups.Heavy exercise continuously to be avoided.what is your height, weight, and bmi.what ever worth,pl have ecg,xray chest, and ent consultation. Pl have till such time, Tab.myoril plus,1tab morning and 1tab night for 5days, after food.esomac d,1tab morning on empty stomach for 10 days.Betadine throat gargling, 2 times a day.Nutritious diet.exercise to be done 6 days per week. Pl consult Pulmonologist online with all the reports and treatment taken.