Description : I've been sick with something since the 26th. How long does the flu last?
Last Answer : answer:The flu runs a week or more. But since it's been 4 days so, far, if it is still bad tomorrow, go see the Doctor tomorrow. If it is a respiratory infection, you'll be having labored ... you'll probably have pretty strong sinus headache. Plus a fever. Go to the doctor tomorrow, not next Monday.