Health library / CHAGAS DISEASE
CHAGAS DISEASE
- An inflammatory, infectious disease caused by a parasite found in the feces of the triatomine (reduviid) bug and is most common in South America, Central America and Mexico.
- Also called as American trypanosomiasis and is a potentially life-threatening illness caused by the protozoan parasite Trypanosoma cruzi
Symptoms
- ACUTE PHASE
- Swelling at the infection site
- Fever
- Fatigue
- Rash
- Body aches
- Eyelid swelling
- Headache
- Loss of appetite
- Nausea, diarrhea or vomiting
- Swollen glands
- Enlargement of your liver or spleen
- CHRONIC PHASE
- Irregular heartbeat
- Congestive heart failure
- Sudden cardiac arrest
- Difficulty swallowing due to enlarged esophagus
- Abdominal pain or constipation due to enlarged colon
Causes
- Transmitted to humans from a bite from an insect (triatomine bug)
- Eating uncooked food contaminated with feces from T. Cruzi-infected bugs
- Being born to a woman infected with T. Cruzi
- Having a blood transfusion containing infected blood
- Getting an organ transplant containing viable T. Cruzi
- Working in a laboratory where there’s an accidental exposure to the parasite
- Spending time in a forest that contains infected wild animals, such as raccoons and opossums
- Being around an infected pet
Risk Factors
- Living in impoverished rural areas of Central America, South America and Mexico
- Living in a residence that contains triatomine bugs
- Receiving a blood transfusion or organ transplant from a person who carries the infection”
- Diagnostic Tests
- Observation of the parasite in a blood smear by microscopic examination
- Electrocardiogram
- Chest X-ray
- Echocardiogram
- Abdominal X-ray
- Upper endoscopy
- Treatments
- A pacemaker to regulate your heart rhythm (Heart-related complications)
- Diet modification, medications, corticosteroids (Digestive-related complications)
- Medications
- Benznidazole and nifurtimox
- Lifestyle Management
- Avoid sleeping in a mud, thatch or adobe house.
- Use insecticide-soaked netting over your bed when sleeping in thatch, mud or adobe houses.
- Use insecticides to remove insects from your residence.
- Use insect repellent on exposed skin
