There are likely to be other possible causes, so ask your doctor about your symptoms. 1  Diverticulosis. 2  Ischemic colitis. 3  Inflammatory bowel disease.  Colon 1  cancer. Intestinal worm infestation.  Mesenteric artery 1  ischemia. Proctitis.  Ulcerative colitis.
If you guessed about a week, you are average, but you are wrong. In a new study, doctors who reviewed medical studies found that acute cough, sometimes called acute bronchitis, lasts an average of nearly 18 days.
Symptoms usually start two to three days after you've been infected, and colds can last for up to two weeks. The first symptoms of influenza, including fever, chills, headache, and body aches, often begin to go away after about 2 or 4 days. In some cases, these symptoms will last 5 days or longer.