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What are the most common symptoms of a lung infection?

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The most common symptoms of a nontuberculous mycobacterium infection are coughing up blood, night sweats, fever, productive cough and weight loss, according to the American Lung Association. The patient is also fatigued and has no appetite. The symptoms of chronic lung infections also include enlarged lymph nodes, fever that lasts for over a week, and symptoms that return after a course of antibiotics have ended, says Ohio State University. Pleuritic chest pain is another symptom, states About.com.

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These chronic lung infections include histoplasmosis, tuberculosis and blastomycosis, claims Ohio State University. Histoplasmosis is caused by a fungus that is present in the soil. Though it is not communicable, it can lead to acute or chronic pneumonia. Fortunately, this infection is easy to treat.

Tuberculosis is caused by a bacteria, and it is communicable and very contagious, says Ohio State University. A person who has tuberculosis needs to be treated and monitored by a doctor, and even people who have only been exposed to tuberculosis need treatment before they progress to the full-blown disease.

Blastomycosis, like histoplasmosis, is caused by a soil-born fungus and is not communicable, says Ohio State University. It is notable because it not only affects the lungs but causes boils on the skin. It is also treatable.

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