Hi welcome to health care magic.. You were given antibiotic and acetylcystein (mucolytic) ... You are also complaining difficult breathing and having asthma history . So you might have bronchoconstriction for whic bronchodilator drug given in form of tablet or inhaler ... Your auscultation done for that and spirometry also useful... If constriction severe than short term steroid also needed ... After that maintainance inhaler with formeterol or sos salbutamol prescribed .. For asthma allergy testing can be done to avoid exposure to precipitants ... Take care Advise : Consult pulmonologist for examination and subsequent management ...