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What causes fever, shortness of breath and unintentional weight loss? 13 possible conditions

See a list of possible causes in order from the most common to the least.


Lung Cancer Overview

Lung cancer is a cancer that originates in the lungs. Lung cancer often goes undetected in the early stages, since symptoms don't usually present themselves until the advanced stages of the disease.

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Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. A severe and long-lasting cough, fever, and night sweats could indicate an active TB infection.

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Non-Hodgkin’s Lymphoma

Non-Hodgkin's lymphoma is a lymphatic system cancer. Symptoms may include swollen lymph nodes, chest pain, fatigue, and fever.

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An empyema is a condition in which pus collects in the pleural space, which is the area between your lungs and the inner surface of your chest wall.

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Small Cell Lung Cancer

Non-small cell lung cancer (NSCLC) is the most common kind of lung cancer, comprising 85 to 90 percent of lung cancer diagnoses. It does not grow as quickly as the other type of lung cancer, small cell lung cancer.

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Pulmonary Fibrosis

Pulmonary fibrosis is a condition that causes lung scarring and stiffness. This keeps the body from getting enough oxygen.

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Pulmonary Actinomycosis

Pulmonary actinomycosis is a rare bacterial lung infection. It is also known as thoracic actinomycosis. It is not contagious. This condition mainly affects people between 30 and 60 years old. It occurs more often in me...

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Burkitt's Lymphoma

Burkitt's lymphoma is a relatively rare and aggressive form of non-Hodgkin's lymphoma, a type of cancer of the lymphatic system. It's most common in children living in sub-Saharan Africa.

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Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.

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Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus. The fungus usually grows on decaying vegetation and dead leaves. Being exposed to the fungus does not necessarily mea...

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Polymyalgia Rheumatica

Polymyalgia rheumatica is an inflammatory disorder that causes pain and stiffness in various parts of the body, including the shoulders, neck, arms, thighs, and hips. The cause of this disorder is unknown.

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Valley Fever (Coccidioidomycosis)

Coccidioidomycosis, also known as valley fever, is a fungal infection that starts in the lungs and can potentially spread to the rest of the body. Fever, chills and sweating are common.

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Chronic Myelogenous Leukemia (CML)

Leukemia is a type of cancer that starts in the blood or blood-forming tissues. There are many different types of leukemia, and treatment is different for each one. Chronic leukemias are slower growing than acut...

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.