ive been in bed withthe flu since thurs. just got up yesterday and cant cough because of shortness of breath. tried to sleep sitting up. i have had walking pneumonia before and didnt know it. the phlem seems too deep or something so i took something to help me cough it up.. its not working as fast i think it should . i cannot wait another dai have 500mg amoxicillan.. not sure if i should start taking them or hold off. i just quit smoking since i had a good head start by being in bed for so long