Hi welcome to the health care magic Excess coughing can lead chest muscle soreness and hence chest pain... But before that two condition here needs to be ruled out bronchitis and pneumonia.... For that work up done as follow.... -Auscultation -Chest x ray (PA view digital) -Spirometry if needed to decide further management plan in bronchitis -CBC According to reports specific treatment given You need to given decongestant like phenylephrine for Symptomatic relief Suitable antibiotic course prescribed If needed like levofloxacin or cefixime if needed... Steam inhalation done three times a day Salt water gargle done two times a day Take one tsp ginger juice with honey daily Vitamin C lozenges useful in such conditions esp if viral condition Hot water used for drinking to sooth respiratory tract Take care Consult physician or pulmonologoist for examination and further work up accordingly Hope your concern solved