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What causes headache and swollen lymph nodes? 19 possible conditions

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

1

Lymphangitis

Lymphangitis is an inflammation of the lymphatic system, which is part of your immune system. If left untreated, the condition can become serious.

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2

Infectious Mononucleosis

Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).

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3

Tonsillitis

Tonsillitis can occur at any age and is a common childhood ailment. It is most often diagnosed in children from preschool age through their midteens.

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4

Strep Throat

Strep throat is a bacterial infection that causes inflammation and pain in the throat. This common condition is caused by group A Streptococcus bacteria.

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5

Pharyngitis

Pharyngitis is inflammation of the pharynx, which is in the back of the throat. It's most often referred to simply as "sore throat" and is very common.

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6

Leukemia

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

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7

AIDS

If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.

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8

Syphilis

Syphilis is a sexually transmitted infection. It is caused by a type of bacteria known as Treponema pallidum. According to the Centers for Disease Control and Prevention, in 2006, more than 36,000 cases of syphilis wer...

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9

Acute HIV Infection

Acute HIV infection occurs soon after someone is infected with HIV. Learn about its symptoms, diagnosis, treatment, and prevention.

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10

Systemic Lupus Erythematosus

Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.

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11

Shingles

Shingles is an infection caused by the varicella-zoster virus, which is the same virus that causes chickenpox. Chickenpox can live on in your nervous tissues.

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12

Sarcoidosis

Learn about sarcoidosis and its causes, symptoms, diagnosis, treatment, and potential complications.

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13

Toxoplasmosis

Toxoplasmosis is an infection caused by a parasite. This parasite, called Toxoplasma gondii, can be found in cat feces and in undercooked meat.

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14

German Measles (Rubella)

German measles, also known as rubella, is a viral infection. Learn about German measles symptoms, causes, diagnosis, treatment, and prevention.

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15

West Nile Virus Infection (West Nile Fever)

Learn about the causes and symptoms of the West Nile virus.

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16

Weils Disease

Weil's disease is a severe form of the bacterial infection leptospirosis. Learn how to lower your risk of getting this potentially life-threatening illness.

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17

Brucellosis

Brucellosis is a disease caused by bacteria from the genus Brucella. Learn more about how this condition is spread, symptoms, and treatment.

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18

Dengue Fever

Dengue fever is a disease that affects much of the tropical region and is caused by one of four dengue viruses. A skin rash between two and five days after the initial fever is a common symptom.

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19

Secondary Syphilis

Secondary syphilis is the second stage of this highly contagious sexually transmitted infection. Learn about the symptoms and treatments for secondary syphilis.

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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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