Pneumocystis is a leading cause of pneumonia in patients with AIDS, and can be seen in other compromised patients and premature infants. Respiratory infection leads to fever, cough, and shortness of breath.

Signs and Symptoms of Pneumocystis Pneumonia

Diagnosis of Pneumocystis pneumonia (PCP) can be difficult. The organism is typically identified by microscopic examination of tissue and fluid samples from the lungs. A PCR-based test is available to detect P. jirovecii in asymptomatic patients with AIDS.

Diagnosis of Pneumocystis Pneumonia

The best treatment for of Pneumocystis Pneumonia is the combination drug trimethoprim-sulfamethoxazole (TMP/SMZ). These sulfa drugs often have adverse effects, but the benefits outweigh these risks. Left untreated, PCP infections are often fatal.

Treatment of of Pneumocystis Pneumonia

Once inhaled, a pneumocystis pneumonia infection will lead to fever, cough, and shortness of breath.

Pathogenesis of *Cryptococcus neoformans*

Pneumocystis pneumonia (PCP) is a type of pneumonia and is caused by *Pneumocystis jirovecii.*

Austin Community College

Exposure to various fungi can lead to infections of the respiratory system. Some of the diseases caused by fungi include:
 - Histoplasmosis
 - Coccidioidomycosis
 - Blastomycosis
 - Mucormycosis
 - Aspergillosis
 - Pneumocystis Pneumonia
 - Cryptococcosis

The Different Fungal Infections of the Respiratory System 

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

Histoplasmosis most commonly occurs in the Mississippi Valley of the United States, and is commonly referred to as the "Mississippi Valley Fever." It is acquired by inhaling microconidial spores in the air. It not transmitted from human to human. The causative agent is *Histoplasma capsulatum.*

Histoplasmosis

Coccidioidomycosis is acquired by inhaling fungal spores. Because the microbe is endemic to the San Joaquin Valley of California, the disease is sometimes referred to as "Valley fever." Coccidioidomycosis is caused by *Coccidioides immitis.*

Coccidioidomycosis

Blastomycosis is a rare disease caused by *Blastomyces dermatitidis.*

Blastomycosis

Mucormycosis is a rare fungal infection caused by a variety of fungi. including include bread molds, like *Rhizopus* and *Mucor*; the most commonly associated species is *Rhizopus arrhizus* 

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