If you or one of your family members has been diagnosed with pulmonary fibrosis, chronic obstructive pulmonary disease (COPD) or cystic fibrosis, you may be confused by these three conditions. Because these conditions all affect the lungs, their symptoms may seem very similar. In this article, we’ll discuss each condition to help you understand these three distinct diseases and their expected treatment plans.

Doctor diagnoses lung

Pulmonary Fibrosis

  1. Summary Definition

Pulmonary fibrosis refers to a condition of the lungs in which the tissue thickens and becomes scarred. This condition is relatively rare; the global prevalence of the idiopathic form — the most common form that is not associated with other diseases or as a side effect of medications — is estimated to be 16 to 20 incidents per 100,000 people.

  1. Causes and Risk Factors

The exact causes of pulmonary fibrosis are usually unknown. In these cases, the condition is referred to as “idiopathic.” In other situations, the fibrosis might be related to genetics or result from conditions such as nonspecific interstitial pneumonia, cryptogenic organizing pneumonia or sarcoidosis. Additionally, sometimes medications — especially chemotherapy drugs, heart medications or antibiotics — can cause permanent lung scarring.

Certain factors may increase an individual’s risk for pulmonary fibrosis. For example, men are more likely to develop the condition than women. Smokers also develop pulmonary fibrosis at higher rates than non-smokers. Regular exposure to housing or occupational environments full of harmful pollutants can also raise the risk for the condition.

  1. Major Symptoms and Complications

Scarred lung tissue is less flexible and unable to function as effectively as healthy tissue. In other words, breathing and gas exchange has reduced efficacy, leading to lower concentrations of oxygen in the blood. This leads to visible symptoms such as chronic shortness of breath, even while simply sitting, and a chronic, dry cough.

Complications for pulmonary fibrosis include pulmonary hypertension, cardiac failure, respiratory failure and lung cancer.

  1. Treatment and Prognosis

Scarring of the lung tissue is irreversible, but there are still treatments available to help people with PF. First of all, the FDA has approved some medications that can slow the progression of PF and lesson breathing challenges. Many people have improved their lung capacity, strength, and symptoms from oxygen therapy by using supplemental oxygen. People experiencing severe cases may qualify for lung transplants. There are also trained professionals who can help with pulmonary rehabilitation

Additional aspects of a person’s treatment plan can include nutritional improvements, lifestyle changes, physical activity, dietary supplements, natural herbs, and mental health support (such as mindfulness, meditation, individual therapy, or support groups). 

As for the prognosis for people with PF, it does vary from person to person. In the past, the life expectancy after diagnosis had been estimated to be 3-5 years; fortunately, due to advances in treatments and medicine, many people now live much longer. Sometimes people notice their symptoms worsen quickly over the course of days or weeks (referred to as “acute exacerbation“). In other cases, people might notice mild or moderate symptoms that gradually get worse over the course of multiple years. There are also people who report long periods of stability, then notice periods of more rapid progression.

No matter your treatment plan or prognosis, there is support available to you. You are welcome to reach out with questions here, and to share your story and connect with other people who have (or are impacted by) PF in our online community forum here

Chronic obstructive pulmonary disease (COPD)

  1. Summary Definition

Previously referred to as ‘chronic bronchitis’ or ‘emphysema’, chronic obstructive pulmonary disease (COPD) is a disease of the lung characterized by chronic obstruction of airflow. This obstruction is not fully reversible and interferes with normal breathing function.

  1. Causes and Risk Factors

COPD is usually the result of consistent, extended exposure to pollutants in the air that are harmful and irritating to the lungs. Some examples of these substances include cigarette smoke, chemical exhaust from industrial plants and dust.

  1. Major Symptoms and Complications

In COPD, the damage accrued by the lungs over time leads to a loss in elasticity of the lung tissue that is responsible for proper exhalation. When this elasticity is lost, some waste carbon dioxide is left in the lungs at the end of exhalation, leading to carbon dioxide buildup in the body.

COPD leads to emphysema, which is the destruction of the alveoli, and chronic bronchitis, which is inflammation of the airway tubes in the lungs. Emphysema more visibly manifests itself as shortness of breath. Chronic bronchitis results in a chronic cough and excessive mucus.

Other symptoms of COPD include wheezing, a tight feeling in the chest, blue lips and nail beds and uncontrollable weight loss.

  1. Treatment and Prognosis

Unfortunately, the elasticity lost by lung tissue in COPD cannot be restored, and thus the condition cannot be fully healed. However, there are many highly effective treatment protocols that can relieve symptoms and prevent complications. These medications include bronchodilators, oral and inhaled steroids and antibiotics to treat the respiratory infections that often accompany and exacerbate COPD symptoms. Some patients have experienced symptom improvement after taking systemic enzyme supplements.

For most mild forms of COPD, treatment other than smoking cessation is not necessary. However, even very advanced stages of COPD can be effectively managed to give the patient many more years of high-quality living.

Surgeon analyzing a lung radiography

 

Cystic Fibrosis

  1. Summary Definition

Cystic fibrosis is a genetic disorder that results in thickening tissue and buildup of mucus in the lungs, pancreas, liver, kidneys and intestines.

  1. Causes and Risk Factors

Cystic fibrosis is inherited in a recessive pattern. Both parents must have copies of the defective gene and pass these defective copies down for the child to develop the condition, which affects around 30,000 people in the United States and 70,000 in the world.  

  1. Major Symptoms and Complications

Individuals with CF develop a thick mucus that can block the airways in the lungs. This mucus buildup results in troubled breathing and an increased susceptibility to respiratory infections, as mucus traps the bacteria and is unable to be removed efficiently. This condition also has severely debilitating effects on the digestive system, resulting in stunted growth and weight.

  1. Treatment and Prognosis

Because cystic fibrosis is a genetic disorder that affects so many organ systems, there is no existing cure, and patients must work closely with a team of healthcare professionals their whole life to manage their disease. Most treatment protocols involve inhaled medication to thin the mucus in the airway, enzyme supplements to help with digestion and techniques for mucus removal. Although extremely draining and time-consuming, these protocols can greatly extend the length and improve the quality of life in CF patients.

Some recent research has developed treatment that directly addresses the defective protein involved in CF.

If you have more questions, or for more information about your specific condition, consult your physician.

To learn more about PF and other pulmonary conditions, visit these links: 

Never disregard professional medical advice or delay in seeking it because of any information received from us.

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10 comments
  • Mary Wagner
    Posted on February 19, 2019 at 10:21 pm

    How does cf effect someone with copd?

    Reply
    • Neha Shah
      Posted on May 19, 2020 at 5:56 pm

      Hi Mary, I just noticed your comment and even though I realize it is from last year, I thought I’d respond to it. Both CF and COPD are chronic obstructive lung diseases that progress over time. CF is caused due to a genetic defect and is diagnosed early in life, whereas COPD is generally caused due to lifestyle factors (mostly smoking) or other environmental exposures and is usually diagnosed after age 40. Both these conditions would not generally coexist in one person

      Reply
      • Harvard
        Posted on July 30, 2020 at 3:42 am

        Would people with CF also experience pulmonary fibrosis??

        Reply
        • PF NOW
          Posted on July 31, 2020 at 10:13 pm

          Hello Harvard, both CF and pulmonary fibrosis are chronic lung diseases that progress over time. CF is caused due to a genetic defect and is diagnosed early in life, whereas pulmonary fibrosis is more often caused due to environmental exposures or is of unknown origin and is usually diagnosed in older people. Both these conditions would not generally coexist in one person.

          Reply
  • Edward Bauer
    Posted on December 1, 2019 at 2:15 am

    I have between stage 2 and 3 COPD and now experiancing both bladder and bowel incontinence I also have IBS my question is does COPD cause incontinence

    Reply
    • PF NOW
      Posted on January 31, 2020 at 6:00 pm

      Hello Edward, Most people do not generally talk about it due to embarassment, but COPD can cause incontinence particularly when a person is experiencing severe shortness of breath. This is an automatic physical response. People with COPD may also experience incontinence while coughing, sneezing, laughing or during physical activity. As COPD progresses, the incontinence may become worse. Wearing adult protective underwear, particularly when you are out, will help prevent the unpleasantness and fear associated with incontinence. Thank you for sharing and starting this conversation

      Reply
  • Kirsten
    Posted on June 23, 2020 at 9:05 am

    Am I putting someone at risk with CF being around them if you have had Chronic Bronchitis in the past? I care about someone so deeply and ever since, I’ve been a donor and tried to learn everything about CF but I am a chronic smoker and get Bronchitis and or strepthroat almost seasonal now. Am I putting them at risk?

    Reply
    • PF NOW
      Posted on June 23, 2020 at 4:48 pm

      Hello Kirsten, thank you for reaching out to us. As you probably know, people living with CF are at a higher risk of getting lung infections because of the thick and sticky mucous buildup in their lungs. You must avoid close contact with them, particularly when you have an active infection. It is advisable to stay 6 feet away and avoid being with them in enclosed/poorly ventilated spaces such as in cars. Please let us know if you need any more information.

      Reply
  • Phyllis McGowan
    Posted on August 12, 2021 at 4:14 pm

    My husband has IPF. The pulmonary doctors have tried OFEV and ESBRIET. They had to stop both drugs due to bad reactions. I recently heard TRIKAFTA. IS THIS drug different than the above ones
    Is it for Ipf or cystic fibrosis

    Reply

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