The acute phase of Chagas disease may last weeks or months and often resolves on its own—even without treatment. But this does not mean the infection is gone. In many cases, the parasite remains hidden in the body for years or decades.
Later in life, untreated Chagas disease can lead to serious heart problems, including heart enlargement, arrhythmias, heart failure, and sudden cardiac arrest. Digestive complications, such as an enlarged colon or esophagus, can also occur.
When to See a Doctor
You should seek medical care immediately if you:
- Notice unexplained swelling around the eye
- Have persistent flu-like symptoms after possible insect exposure
- Live in or have traveled to areas where kissing bugs are found
- Have seen a kissing bug in your home
Early diagnosis greatly increases the effectiveness of treatment and can prevent severe complications later in life.
Final Thoughts
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