Itching, redness, discomfort of ear canal, progressing to fever, pain, and swelling. 

University of Southern Mississippi

Also known as swimmers ear, is an infection of the ear canal that causes itching, redness, and discomfort, and can progress to fever, pain, and swelling.

Otitis externa

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

P. aeruginosa is also the cause of otitis externa. 

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