Symptoms of Chagas disease


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General information about symptoms of Chagas disease: The symptom information on this page attempts to provide a list of some possible symptoms of Chagas disease. This symptom information has been gathered from various sources, may not be fully accurate, and may not be the full list of symptoms of Chagas disease. Furthermore, symptoms of Chagas disease may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of symptoms and whether they are indeed symptoms of Chagas disease.

List of symptoms of Chagas disease: The list of symptoms mentioned in various sources for Chagas disease includes:

Symptoms of Chagas disease: There are three stages of infection with Chagas disease; each stage has different symptoms. Some persons may be infected and never develop symptoms.

Acute:

Acute symptoms only occur in about 1% of cases. Most people infected do not seek medical attention. The most recognized symptom of acute Chagas infection is the Romaña’s sign, or swelling of the eye on one side of the face, usually at the bite wound or where feces were rubbed into the eye. Other symptoms are usually not specific for Chagas infection. These symptoms may include fatigue, fever, enlarged liver or spleen, and swollen lymph glands. Sometimes, a rash, loss of appetite, diarrhea, and vomiting occur. In infants and in very young children with acute Chagas disease, swelling of the brain can develop in acute Chagas disease, and this can cause death. In general, symptoms last for 4-8 weeks and then they go away, even without treatment.

Indeterminate:

Eight to 10 weeks after infection, the indeterminate stage begins. During this stage, people do not have symptoms.

Chronic:

Ten to 20 years after infection, people may develop the most serious symptoms of Chagas disease. Cardiac problems, including an enlarged heart, altered heart rate or rhythm, heart failure, or cardiac arrest are symptoms of chronic disease. Chagas disease can also lead to enlargement of parts of the digestive tract, which result in severe constipation or problems with swallowing. In persons who are immune compromised, including persons with HIV/AIDS, Chagas disease can be severe. Not everyone will develop the chronic symptoms of Chagas disease.

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More symptoms of Chagas disease: In addition to the above information, to get a full picture of the possible symptoms of this condition and its related conditions, it may be necessary to examine symptoms that may be caused by complications of Chagas disease, underlying causes of Chagas disease, associated conditions for Chagas disease, risk factors for Chagas disease, or other related conditions.

Medical articles on symptoms: These general reference articles may be of interest:



Footnotes:
1. excerpt from Chagas Disease: DPD

Last revision: April 4, 2003

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