What should i do if you are breathless, wheezy, cough, and dizzy after coughing?

Pulm function test: These are breathing test done as an out patient which determine is you have functional breathing disorders. You should also be checked for acid reflux.

See doctor...: Your symptoms are likely due to bronchospasm and airway inflammation. You will likely need a beta- agonist inhaler and a steroid inhaler. Shortness of breath can be a life-threatening symptom so you need to see a doctor asap so your symptoms can be evaluated and treatment rendered.