I have gone through your case and I can understand your concern. You said that you suffer from asthma and recently from flu for three weeks that strongly indicates for secondary bacterial pneumonia and also you noticed increased difficulty breathing that in medical terms is an acute exacerbation of asthma due to lung infection you have. Please go to Emergency Room to check for vital signs (pulse, heart rate, temperature, blood pressure, oxygen saturation, respiratory rate), complete blood count (+/- other blood tests), and hospitalization may be required for oxygenotherapy & paraenteral antibiotics, based on the gravity. Please don t forget to give your valuable feedback and five star rating, to help me assist you in a better way. Click at I Find This Answer Helpful too . Please, write a review about your experience with me.