Blastomycosis is a rare fungal infection caused by the Blastomyces dermatitidis or Blastomyces gilchristii fungus. Not everybody develops symptoms, but when they do occur, they can include a fever, cough, night sweats, and more.
Doctors may recommend antifungal medication to treat blastomycosis. The type of antifungal medication can depend on the severity of the condition.
Read on to find out more about the causes and symptoms of blastomycosis. This article also discusses treatment options, how doctors diagnose the condition, and more.
Blastomycosis is a type of fungal infection that occurs when a person inhales spores of the Blastomyces dermatitidis or Blastomyces gilchristii fungus.
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Blastomycosis is generally not contagious. This means that it does not usually transmit from a person or an animal to another person.
When symptoms do develop, they can include:
To assist with reaching an accurate diagnosis, a doctor may begin by taking a full medical history, asking questions about symptoms, and performing a physical exam.
As blastomycosis is
They may then order various tests to confirm the diagnosis or rule out other possible causes. Tests can include a:
For people with mild to moderate cases of blastomycosis, doctors typically recommend the antifungal medication itraconazole.
Doctors may recommend amphotericin B in severe cases or if the infection has spread beyond the lungs to other parts of the body.
According to the CDC, treatment for blastomycosis can range from
Blastomycosis affects around
People also report cases of blastomycosis in the following states:
- North Carolina
People most commonly report the condition in Wisconsin. Some northern counties report an incidence of around 10–40 cases per 100,000 people each year.
It may not be possible to completely prevent blastomycosis.
There are various possible complications of blastomycosis,
- spread of the infection to other parts of the body
- skin sores
- bone infections
- central nervous system involvement
Receiving an accurate diagnosis and beginning a suitable treatment plan as early as possible may help reduce the risk of complications.
Here are some frequently asked questions about blastomycosis.
Does blastomycosis go away?
Although blastomycosis may go away on its own, doctors recommend that people with the condition receive medical treatment. This typically includes the antifungal medication itraconazole for mild to moderate cases, or amphotericin B in severe cases.
How fatal is blastomycosis?
A person may be at an increased risk of complications if they have a weakened immune system. People with a weakened immune system should consider avoiding activities that disturb the soil.
A 2020 meta-analysis of people with Blastomyces dermatitidis infection showed an overall pooled mortality rate of
What is the survival rate of blastomycosis in humans?
Blastomycosis is a type of fungal infection that occurs following exposure to the Blastomyces dermatitidis or Blastomyces gilchristii fungus. A person can develop the condition if they take part in activities that disturb the soil, particularly in parts of the U.S. where the fungus is more common.
Symptoms of blastomycosis include a cough, fever, joint and muscle pain, and more. Doctors typically recommend antifungal medication to treat the condition.
A person should contact a doctor if they suspect they have blastomycosis. The doctor can order various tests to confirm the diagnosis and advise on suitable treatments.