Cystic Fibrosis

Cystic fibrosis is a progressive, genetic disease that causes persistent lung infections and limits the ability to breathe over time.

In people with CF, mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene cause the CFTR protein to become dysfunctional. When the protein is not working correctly, it’s unable to help move chloride — a component of salt — to the cell surface. Without the chloride to attract water to the cell surface, the mucus in various organs becomes thick and sticky.
In the lungs, the mucus clogs the airways and traps germs, like bacteria, leading to infections, inflammation, respiratory failure, and other complications. For this reason, minimizing contact with germs is a top concern for people with CF.

In the pancreas, the buildup of mucus prevents the release of digestive enzymes that help the body absorb food and key nutrients, resulting in malnutrition and poor growth. In the liver, the thick mucus can block the bile duct, causing liver disease. In men, CF can affect their ability to have children.

Symptoms of CF

People with CF can have a variety of symptoms, including:
  • Very salty-tasting skin 
  • Persistent coughing, at times with phlegm
  • Frequent lung infections including pneumonia or bronchitis
  • Wheezing or shortness of breath
  • Poor growth or weight gain in spite of a good appetite
  • Frequent greasy, bulky stools or difficulty with bowel movements
Intro to CF
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Charlotte CF Families website and CF Family Advisory Board are operated by local CF families with the guidance of the Atrium Health Cystic Fibrosis Program. No advice or recommendations on this page should be taken above that of your CF Care Team. Every person with CF is different. The advice and suggestions on this page are simply a guide to help families feel connected and informed. 
Last Published February 2020 
Site Design by Rebecca Preslar