Symptoms of cystic fibrosis usually appear within the first year of life. Sometimes symptoms do not appear until late childhood or adolescence.
The severity of symptoms varies. Some people have severe symptoms involving various organs. Others have a much milder form of the disease involving only one area of the body.
At birth, a child with cystic fibrosis can develop a swollen belly. He or she will vomit due to a condition called meconium ileus. In this condition, the bowel is plugged up with meconium. Meconium is a thick, dark, sticky substance produced by all babies while in the uterus. It is just stickier in a newborn with cystic fibrosis.
As the child grows, other symptoms can develop. These include:
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