Several of my patients have developed nasty colds in the last few weeks, so it seemed like a good time to cover this perennial source of misery.  Even though the cold is one of the most common illnesses, many people are still confused about how to treat it and how to distinguish it from other illnesses. Symptoms Colds typically cause a scratchy or sore throat, runny or congested nose, cough and fatigue.  There is usually no fever. Cause Colds are caused by vir...