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Symptoms of Chagas disease

Symptoms of Chagas disease

The list of signs and symptoms mentioned in various sources for Chagas disease includes the 49 symptoms listed below:

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Chagas disease: Symptom Checkers

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Chagas disease: Symptom Assessment Questionnaires

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Chagas disease: Complications

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Home Diagnostic Testing

Home medical tests related to Chagas disease:

Wrongly Diagnosed with Chagas disease?

The list of other diseases or medical conditions that may be on the differential diagnosis list of alternative diagnoses for Chagas disease includes:

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Other Possible Causes of these Symptoms

Click on any of the symptoms below to see a full list of other causes including diseases, medical conditions, toxins, drug interactions, or drug side effect causes of that symptom.

Article Excerpts About 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 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.


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


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.

(Source: excerpt from Chagas Disease: DPD)

Chagas disease as a Cause of Symptoms or Medical Conditions

When considering symptoms of Chagas disease, it is also important to consider Chagas disease as a possible cause of other medical conditions. The Disease Database lists the following medical conditions that Chagas disease may cause:

- (Source - Diseases Database)

Chagas disease: Onset and Incubation

Incubation period for Chagas disease: Symptoms may occur within a few days to weeks. Most people do not have symptoms until the chronic stage of infection, 10-20 years after first being infected. (Source: excerpt from Chagas Disease: DPD)

Medical articles and books on symptoms:

These general reference articles may be of interest in relation to medical signs and symptoms of disease in general:

About signs and symptoms of Chagas disease:

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


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