Symptoms of Chagas Disease Acute symptoms • Flu-like symptoms such as fever, body ache, fatigue, headache • Nausea and vomiting • Diarrhea • Loss of appetite • Rash • Enlarged glands • Swelling at the infected site • Eyelid swelling Chronic symptoms • Abnormal cardiac rhythm • Heart failure • Trouble passing stool • Swelling of esophagus, thus inability to swallow