Common respiratory symptoms of cystic fibrosis include:

• Breathing difficulty
• Chronic cough
• Wheezing
• Frequent lung infections:
• Acute bronchitis
• Pneumonia

Common gastrointestinal symptoms of cystic fibrosis include:

• Abdominal swelling
• Abdominal pain
• Diarrhea
• Heartburn
• Pale stool
• Weight loss

Less common symptoms of cystic fibrosis include:

• Delayed growth
• Infertility in males