Having a broncho-constriction everyday at night with cough but no sputum, started two weeks ago after an upper respiratory tract infection, what to do?

Cough: You may have developed bronchitis as a complication of your upper respiratory infection. Make an appointment with your doctor for follow-up to see if you have bronchitis or pneumonia.

Lung function test: There can be prolonged inflammation in the lung following an infection. Your symptoms indicate that you may have post viral broncho constriction. Your physician may order a pulmonary function test to determine if you have reactivity of the airway. I would suggest a flu vaccine if there are no reasons in your medical history not to obtain one.