Loefflers syndrome history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

History and Symptoms

• • Löffler syndrome generally presents as a mild syndrome which spontaneously resolves after 2-4 weeks.
  • The symptoms of Löffler syndrome usually develop 10-16 days after ingestion of Ascaris eggs, or N americanus, A duodenale, S stercoralis infection, and start with common symptoms such as fever, malaise, cough, wheezing, and dyspnea.
  • Cough is the most common symptom, which is generally dry and nonproductive but might be productive or even present with small amounts of blood-tinged mucoid sputum.
  • Less common presentation is accompanied by myalgia, anorexia, and urticaria.
  • In order to identify risk factors for exposure to parasites, immigration status, socioeconomic status, hygiene, sanitation, as well as travel history should be carefully elicited.
• Chest pain
• Dry cough
• Fever
• General ill feeling
• Rapid respiratory rate
• Rash
• Shortness of breath
• Wheezing
• Symptomatic patients most often complain of an irritating, nonproductive cough and burning substernal discomfort that is aggravated by coughing or deep breathing. Dyspnea, wheezing, fever, and blood-tinged sputum containing eosinophil-derived Charcot-Leyden crystals may also be present