Eschar of scrub typhus

Area of Science:

• Infectious Diseases
• Tropical Medicine
• Dermatology

Background:

• Scrub typhus is a potentially severe febrile illness caused by Orientia tsutsugamushi.
• Early diagnosis and treatment are crucial for favorable outcomes.
• The presence of an eschar is a hallmark clinical sign.

Purpose of the Study:

• To report a case of scrub typhus in a farmer presenting with common symptoms.
• To emphasize the diagnostic significance of the eschar.
• To highlight the effectiveness of doxycycline treatment.

Main Methods:

• A 60-year-old male farmer presented with a one-week history of fever, myalgia, and headache.
• A comprehensive head-to-toe physical examination was performed.
• Clinical diagnosis of scrub typhus was made based on symptoms and physical findings.

Main Results:

• Physical examination revealed an eschar on the nape of the neck, characterized by central necrosis and surrounding erythema.
• The patient received a 7-day course of doxycycline.
• The patient showed significant improvement following treatment.

Conclusions:

• The eschar is a pathognomonic finding for the clinical diagnosis of scrub typhus.
• Thorough head-to-toe examinations are essential for diagnosing febrile illnesses with potential eschar formation.
• Prompt diagnosis and appropriate antibiotic therapy, such as doxycycline, lead to successful patient outcomes.