What are the symptoms of cystic fibrosis (CF)?

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What are the symptoms of cystic fibrosis (CF)?

Classic cystic fibrosis

Children who have classic CF have the following symptoms:

  • Failure to thrive (inability to gain weight despite having a good appetite and taking in enough calories).
  • Loose or oily stools.
  • Trouble breathing.
  • Recurrent wheezing.
  • Frequent lung infections (recurrent pneumonia or bronchitis).
  • Recurrent sinus infections.
  • A nagging cough.
  • Slow growth.

Atypical cystic fibrosis

People with atypical cystic fibrosis may be adults by the time they're diagnosed with atypical CF. Respiratory signs and symptoms may include:

  • Chronic sinusitis.
  • Breathing problems, possibly diagnosed as asthma or chronic obstructive pulmonary disease (COPD).
  • Nasal polyps.
  • Frequent bouts of pneumonia.

Other signs and symptoms of atypical CF may include:

  • Dehydration or heat stroke that reveals abnormal electrolyte levels.
  • Fertility problems.
  • Diarrhea.
  • Pancreatitis.
  • Unintended weight loss.

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