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.
Mild colds may last only 2 or 3 days while severe colds may last for up to 2 weeks.(1, 2). A cold is a milder illness than influenza. Influenza typically causes fever, muscle aches, and a more severe cough. However, mild cases of influenza are similar to colds.