Key Takeaways
- Sarcoidosis is an inflammatory disease that causes clusters of immune cells, called granulomas, to form in organs throughout the body, most often the lungs.
- The exact cause of sarcoidosis is unknown, but genetics, immune system response, and environmental exposures all appear to play a role.
- Common signs include a persistent cough, shortness of breath, fatigue, and chest discomfort, though some people have no symptoms at all.
- Diagnosis typically involves imaging, lung function testing, and sometimes a biopsy to confirm granulomas and rule out other conditions.
- In many cases, sarcoidosis resolves on its own, but ongoing monitoring and, when needed, medication can help manage symptoms and protect long-term lung health.
- Altoona Lung Specialists provides expert diagnosis and personalized sarcoidosis care for patients throughout Altoona and Central Pennsylvania, and appointments can be requested online.
What Is Sarcoidosis of the Lung?
Sarcoidosis is an inflammatory disease in which the immune system overreacts, forming clusters of inflamed tissue called granulomas in one or more organs. While sarcoidosis can affect the eyes, skin, and heart, the lungs are involved in the vast majority of cases, making pulmonary sarcoidosis the most common form of the disease.
According to the American Lung Association, sarcoidosis is considered a rare disease, with an estimated 150,000 to 200,000 cases in the United States and around 27,000 new diagnoses each year. Granulomas caused by sarcoidosis can make it harder for the lungs to expand fully and may lead to stiffness in lung tissue over time, which is why early evaluation by a pulmonologist matters.
What Causes Sarcoidosis?
The exact cause of sarcoidosis is still unknown, but researchers believe it develops from a combination of genetic and environmental factors. When someone who is already at risk is exposed to a trigger, such as an infection, dust, or certain chemical exposures, the immune system may overreact and begin forming the granulomas associated with the disease.
Risk factors identified by the American Lung Association include:
- Living or working near insecticides, or in dusty or moldy environments
- Having African or Scandinavian ancestry
- Being female
- Being between 30 and 50 years of age
- Having a family history of sarcoidosis
- Taking certain medications used to manage HIV or cancer
Notably, Black women are three times more likely to be diagnosed with sarcoidosis than white women and tend to experience more severe disease. Sarcoidosis is not contagious, regardless of the underlying cause.
What Are the Symptoms of Sarcoidosis?
Symptoms of sarcoidosis vary widely depending on which organs are affected and how severe the disease is. Some patients have no symptoms at all and only discover the condition through an unrelated chest X-ray. When symptoms are present, they commonly include:
- Persistent dry cough
- Shortness of breath, often with exertion
- Chest pain or discomfort
- Ongoing fatigue
- Fever and night sweats
- Unexplained weight loss
- Small red bumps on the skin, often on the face, arms, or buttocks
- Red, watery eyes
- Joint pain or swelling in the ankles, elbows, wrists, or hands
Because these symptoms can overlap with other respiratory conditions such as asthma, it's important to see a lung specialist near you for an accurate diagnosis rather than assuming symptoms will resolve on their own.
How Is Sarcoidosis Diagnosed?
There is no single test that can specifically confirm sarcoidosis. According to Mayo Clinic, diagnosis instead relies on a combination of a physical exam, imaging, and lab work to rule out other conditions with similar symptoms. Common diagnostic tools include:
| Diagnostic Tool | What It Shows |
|---|---|
| Chest X-ray or CT scan | Enlarged lymph nodes or granulomas in the lungs |
| Pulmonary function tests | How well the lungs are moving air and delivering oxygen |
| Blood and urine tests | Overall organ function and inflammation markers |
| Biopsy | Tissue confirmation of granulomas, often from the lungs, skin, or lymph nodes |
| Eye exam | Screening for sarcoidosis-related vision changes |
Altoona Lung Specialists offers on-site pulmonary function testing and diagnostic imaging coordination to help streamline this process for patients in Central Pennsylvania.
What Are the Treatment Options for Sarcoidosis?
In at least half of all cases, sarcoidosis appears briefly and resolves naturally without the patient ever needing treatment. When treatment is necessary, Mayo Clinic notes that corticosteroids are typically the first medication tried, since they are effective at reducing the inflammation that drives the disease. Depending on symptoms and which organs are involved, other treatment options may include:
- Medications that lower the immune system's response, such as methotrexate or azathioprine
- Hydroxychloroquine for skin-related symptoms or elevated calcium levels
- Tumor necrosis factor-alpha inhibitors for cases that don't respond to other treatments
- Pulmonary rehabilitation to support breathing and daily activity levels
Because sarcoidosis can be a long-term condition even when symptoms are mild, ongoing monitoring is important. Altoona Lung Specialists works with patients to build a personalized follow-up plan based on how their disease presents and progresses.
Get Expert Sarcoidosis Care at Altoona Lung Specialists
Sarcoidosis can be confusing to navigate, especially in the early stages when symptoms are vague or absent altogether. Altoona Lung Specialists provides thorough evaluation, accurate diagnosis, and personalized treatment planning for patients throughout Altoona and the surrounding Central Pennsylvania region.
If you're experiencing a persistent cough, unexplained fatigue, or shortness of breath, don't wait to get answers. Request an appointment with Altoona Lung Specialists today to begin your sarcoidosis evaluation.
Frequently Asked Questions
Is sarcoidosis deadly?
For most people, sarcoidosis is not life-threatening and often resolves without long-term complications. However, in severe cases where the disease progresses to affect the heart or causes significant lung scarring, sarcoidosis can become serious. This is why ongoing monitoring by a pulmonologist is important, even when symptoms are mild.
Is sarcoidosis contagious?
No. Sarcoidosis is not caused by an infection that can spread from person to person. While an infection or environmental trigger may play a role in setting off the immune response in someone already at risk, sarcoidosis itself cannot be passed to others.
How long does sarcoidosis last?
The course of sarcoidosis varies significantly from person to person. Some cases resolve within a year or two without any treatment, while others become chronic and require long-term management. A pulmonologist can help determine what to expect based on which organs are involved and how the disease responds to initial treatment.
When should I see a lung specialist near me?
If you're experiencing a persistent cough lasting more than a few weeks, unexplained shortness of breath, or ongoing fatigue that doesn't improve with rest, it's a good idea to schedule an evaluation with a pulmonologist. Early diagnosis can help rule out other conditions and guide appropriate treatment if sarcoidosis is confirmed.
