Primary pulmonary histoplasmosis: Difference between revisions
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{{Infobox medical condition | |||
| name = Primary pulmonary histoplasmosis | |||
| image = [[File:Chest_X-ray_acute_pulmonary_histoplasmosis_PHIL_3954.jpg|alt=Chest X-ray showing acute pulmonary histoplasmosis]] | |||
| caption = Chest X-ray showing acute pulmonary histoplasmosis | |||
| field = [[Infectious disease]] | |||
| symptoms = [[Fever]], [[cough]], [[chest pain]], [[fatigue (medical)|fatigue]] | |||
| complications = [[Chronic pulmonary histoplasmosis]], [[disseminated histoplasmosis]] | |||
| onset = 3 to 17 days after exposure | |||
| duration = Weeks to months | |||
| causes = [[Histoplasma capsulatum]] | |||
| risks = [[Immunocompromised]], [[exposure to bird or bat droppings]] | |||
| diagnosis = [[Chest X-ray]], [[CT scan]], [[antigen testing]], [[serology]] | |||
| differential = [[Tuberculosis]], [[pneumonia]], [[sarcoidosis]] | |||
| prevention = Avoidance of areas with high concentrations of bird or bat droppings | |||
| treatment = Often self-limiting; [[antifungal]] medication in severe cases | |||
| medication = [[Itraconazole]], [[amphotericin B]] | |||
| prognosis = Good in immunocompetent individuals | |||
| frequency = Common in endemic areas | |||
}} | |||
'''Primary Pulmonary Histoplasmosis''' is a type of [[lung disease]] caused by the [[fungus]] ''[[Histoplasma capsulatum]]''. This disease is most commonly found in the [[Midwestern United States]] and parts of [[Central America]] and [[Africa]]. | '''Primary Pulmonary Histoplasmosis''' is a type of [[lung disease]] caused by the [[fungus]] ''[[Histoplasma capsulatum]]''. This disease is most commonly found in the [[Midwestern United States]] and parts of [[Central America]] and [[Africa]]. | ||
==Etiology== | ==Etiology== | ||
''Histoplasma capsulatum'' is a dimorphic fungus that can survive in the environment as a mold and in the human body as a yeast. The fungus is found in soil and material contaminated with bird or bat droppings. People get infected by inhaling the fungal spores. | ''Histoplasma capsulatum'' is a dimorphic fungus that can survive in the environment as a mold and in the human body as a yeast. The fungus is found in soil and material contaminated with bird or bat droppings. People get infected by inhaling the fungal spores. | ||
==Clinical Presentation== | ==Clinical Presentation== | ||
Primary pulmonary histoplasmosis often presents with flu-like symptoms such as [[fever]], [[cough]], and [[fatigue]]. In severe cases, it can cause a pneumonia-like illness with shortness of breath and chest pain. Some people may also develop [[rash|rashes]] or joint pain. | Primary pulmonary histoplasmosis often presents with flu-like symptoms such as [[fever]], [[cough]], and [[fatigue]]. In severe cases, it can cause a pneumonia-like illness with shortness of breath and chest pain. Some people may also develop [[rash|rashes]] or joint pain. | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of primary pulmonary histoplasmosis is often made by identifying ''Histoplasma capsulatum'' in a [[tissue biopsy]], [[sputum sample]], or [[blood culture]]. Other diagnostic tests include [[serology]] and [[antigen detection]] tests. | Diagnosis of primary pulmonary histoplasmosis is often made by identifying ''Histoplasma capsulatum'' in a [[tissue biopsy]], [[sputum sample]], or [[blood culture]]. Other diagnostic tests include [[serology]] and [[antigen detection]] tests. | ||
==Treatment== | ==Treatment== | ||
Most people with primary pulmonary histoplasmosis do not require treatment as the infection often resolves on its own. However, in severe cases or in people with weakened immune systems, antifungal medications such as [[itraconazole]] or [[amphotericin B]] may be used. | Most people with primary pulmonary histoplasmosis do not require treatment as the infection often resolves on its own. However, in severe cases or in people with weakened immune systems, antifungal medications such as [[itraconazole]] or [[amphotericin B]] may be used. | ||
==Prevention== | ==Prevention== | ||
Prevention of primary pulmonary histoplasmosis involves avoiding exposure to environments where ''Histoplasma capsulatum'' is likely to be found, particularly in areas with bird or bat droppings. | Prevention of primary pulmonary histoplasmosis involves avoiding exposure to environments where ''Histoplasma capsulatum'' is likely to be found, particularly in areas with bird or bat droppings. | ||
==See Also== | ==See Also== | ||
* [[Histoplasmosis]] | * [[Histoplasmosis]] | ||
* [[Pulmonary disease]] | * [[Pulmonary disease]] | ||
* [[Fungal infection]] | * [[Fungal infection]] | ||
[[Category:Infectious diseases]] | [[Category:Infectious diseases]] | ||
[[Category:Pulmonary diseases]] | [[Category:Pulmonary diseases]] | ||
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{{Infectious-disease-stub}} | {{Infectious-disease-stub}} | ||
{{Medicine-stub}} | {{Medicine-stub}} | ||
Latest revision as of 05:15, 6 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
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| Primary pulmonary histoplasmosis | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Fever, cough, chest pain, fatigue |
| Complications | Chronic pulmonary histoplasmosis, disseminated histoplasmosis |
| Onset | 3 to 17 days after exposure |
| Duration | Weeks to months |
| Types | N/A |
| Causes | Histoplasma capsulatum |
| Risks | Immunocompromised, exposure to bird or bat droppings |
| Diagnosis | Chest X-ray, CT scan, antigen testing, serology |
| Differential diagnosis | Tuberculosis, pneumonia, sarcoidosis |
| Prevention | Avoidance of areas with high concentrations of bird or bat droppings |
| Treatment | Often self-limiting; antifungal medication in severe cases |
| Medication | Itraconazole, amphotericin B |
| Prognosis | Good in immunocompetent individuals |
| Frequency | Common in endemic areas |
| Deaths | N/A |
Primary Pulmonary Histoplasmosis is a type of lung disease caused by the fungus Histoplasma capsulatum. This disease is most commonly found in the Midwestern United States and parts of Central America and Africa.
Etiology[edit]
Histoplasma capsulatum is a dimorphic fungus that can survive in the environment as a mold and in the human body as a yeast. The fungus is found in soil and material contaminated with bird or bat droppings. People get infected by inhaling the fungal spores.
Clinical Presentation[edit]
Primary pulmonary histoplasmosis often presents with flu-like symptoms such as fever, cough, and fatigue. In severe cases, it can cause a pneumonia-like illness with shortness of breath and chest pain. Some people may also develop rashes or joint pain.
Diagnosis[edit]
Diagnosis of primary pulmonary histoplasmosis is often made by identifying Histoplasma capsulatum in a tissue biopsy, sputum sample, or blood culture. Other diagnostic tests include serology and antigen detection tests.
Treatment[edit]
Most people with primary pulmonary histoplasmosis do not require treatment as the infection often resolves on its own. However, in severe cases or in people with weakened immune systems, antifungal medications such as itraconazole or amphotericin B may be used.
Prevention[edit]
Prevention of primary pulmonary histoplasmosis involves avoiding exposure to environments where Histoplasma capsulatum is likely to be found, particularly in areas with bird or bat droppings.
See Also[edit]
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