For the definition of the effective date, it's necessary to go back to the Code of Federal Regulations, Title 42: Public Health, Chapter IV, Centers for Medicare and Medicaid Services (CMS), Department of Health and Human Services, Subchapter G, Standards and Certification; Part 489-Provider Agreements and Supplier Approval; Subpart AâGeneral ...
Report Abuse. A cough is a reflex when we're ill. This is going to sound pretty disgusting but extra mucus is produced during illness to catch any bacteria and stop more of whatever's made you ill from entering your body, and you cough it back up regularly to stop the mucus from entering your lungs and choking you.
An acute dry cough that comes on suddenly and lasts up to two to three weeks is usually associated with a cold; whereas, a chronic dry cough over a long period of time (lasting more than eight weeks) may be caused by smoking or asthma. A dry cough can be a sign of a serious or life-threatening disorder. If you have difficulty breathing, chest pain, rapid heartbeat, or swollen legs or ankles, seek immediate medical care (call 911) . If your dry cough is persistent or causes you concern, see your doctor.