Try rubbing Vicks vapor rub on ur chest and apply a warm cloth or heating pad worked with me and having the flu
The doctor will give you a cough med with codeine in it , I had this with flu recently and was given Azithromycin as the anti biotic and codeine cough meds..it worked really well .good luck
My friends and I at school often pick up bad colds, lungs etc. as teaching is like living in a petrey dish. We joke about sleeping UP all night and if you don't have a lazy boy, go find one, or lots of pillows. Good night