cold and flu are viral infections. colds tend to run their course in 7 - 10 days but it can take a little longer. flu generally is at its worst for the first 3 or 4 days but can take up to two weeks to ease up completely. please click into the linked information and read about it. if more than 10 days go by and you still see no relief or your symptoms are getting worse then you should call your doctor. he or she may want to see you in their office again or try another form of treatment. if you're considering taking antibiotics that were prescribed for something else please don't do that without consulting your doctor. we hope you feel better soon! the webmd answers staff
how can i know if my cold/flu has become bacterial? so i can take a ampicillin? . i am aware that ampicillin does nothing if my cold/flu is a virus but i have been sick for a week now and although my body isn't sore/weak anymore i still cough up alot of mucus and coughing hurts my chest a bit and i have a sore throat also runny nose with alot of mucus as well.