What causes fever and night sweats? 21 possible conditions

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

1

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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2

Tuberculosis

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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3

Pulmonary Tuberculosis

Pulmonary tuberculosis (TB) is bacteria that that attack your lungs. It is a potentially deadly disease, but it is curable if you get medical help right away and follow your doctor's instructions. The bacterium (germ...

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4

Infectious Mononucleosis

Infectious mononucleosis, or "mono," is a group of symptoms caused by the Epstein-Barr virus. One potential symptom is a pink rash that looks like the measles.

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5

AIDS

There are many symptoms of the autoimmune disease HIV/AIDS, including persistent skin rashes, night sweats, and mouth sores.

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6

Leukemia

Leukemia is a cancer of the blood cells. Excessive sweating at night, constant fatigue, weight loss, bone pain, and easy bleeding or bruising are all signs of this disease.

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7

Hodgkin's Disease

Hodgkin's disease is a type of lymphoma, a blood cancer that starts in the lymphatic system. It can occur at any age, but is most prevalent between the ages of 15 and 40 and after the age of 55.

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8

Acute Lymphocytic Leukemia

Acute lymphocytic leukemia (ALL) is the most common cancer in childhood, although it can also occur in adults. ALL is a cancer of the blood and bone marrow. Cancer occurs when abnormal cells in a part of the body begi...

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9

Acute Myeloid Leukemia

Acute myeloid leukemia (AML) is a cancer that occurs in the blood and the marrow of the bones. Marrow is sponge-like material inside the bones that produces blood cells. AML specifically affects the white blood cells o...

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10

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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11

Empyema

Empyema is a collection of pus inside a body cavity, typically inside the pleural cavity, between the surface of the lungs and the inner lining of the chest wall. It can cause fever, cough, chills, and other symptoms.

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12

Chronic Lymphocytic Leukemia

Leukemia is a type of cancer that affects the blood and blood-forming tissues. There are many types of leukemia, each affecting different kinds of blood cells. Chronic lymphocytic leukemia, or CLL, is a cancer of th...

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13

Hairy Cell Leukemia

Hairy cell leukemia (HCL) is a rare type of blood and bone marrow cancer that affects the B-lymphocytes (a type of white blood cells that make antibodies that fight infections). If you have HCL, your body produces ...

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14

Infective Endocarditis

Infective endocarditis is an infection of the heart, normally caused by bacteria in the blood stream. It is a serious medical condition. If left untreated, the infection can damage your heart and may even cause death.

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15

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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16

Sarcoidosis

Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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17

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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18

Endocarditis

Endocarditis is inflammation of the inner lining of the heart. Possible symptoms of this condition include pale skin, chills, and night sweats.

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19

Leishmaniasis

Leishmaniasis is a parasitic disease transmitted by a bite from an infected sandfly. It can affect the skin or internal organs. Symptoms of visceral leishmaniasis often appear months after exposure.

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20

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