Hi welcome to the health care magic Here you can have viral or allergic bronchitis infection.. Excess cough from bronchitis Also can lead muscular pain Your spirometry can be done to assess severity if bronchitis present If needed after Auscultation, than chest x ray can be done Benadryl like decongestant can be given for soothing Warm compress over chest will be beneficial Take one tsp ginger juice with honey for soothing Steam inhalation done two times a day If needed than levofloxacin like antibiotic can be prescribed Take vitamin C lozenges Take care Consult pulmonologoist for examination