Clinical Effectiveness of Tigecycline for Scrub Typhus.

Inclusion Criteria: * Hospitalization with a fever of 37.5℃ or higher (tympanic temperature measurement standard) and rash or scabs suspected of tsutsugamushi syndrome * If an infectious disease specialist makes a clinical judgment and diagnoses scrub typhus * A person who voluntarily decides to participate and agrees in writing to abide by the precautions after hearing a detailed explanation of this clinical study and fully understanding it Exclusion Criteria: * Patients with severe complications such as respiratory failure, pneumonia, and encephalitis (researcher determines final exclusion) * Patients with chronic renal dysfunction * Underweight people weighing less than 45Kg * Immunodeficiency: Long-term use of steroids or other immunosuppressive drugs, patients undergoing chemotherapy, etc. (Researcher determines final exclusion) * Pregnant women * Women and men of childbearing potential who are planning to become pregnant during the clinical study period and for 3 months after the end of the clinical study, or who are unwilling to use the following appropriate contraceptive methods\* \* Intrauterine device \[IUD (Intrauterine device), barrier contraception method including spermicide (for female contraceptive vaginal diaphragm/vaginal sponge sponge/cervical cap) and double barrier method (for male use) Excluding simultaneous use of condoms and female condoms), sterilization (vasectomy, vasectomy, tubal ligation, etc.) * If you cannot take the medicine orally * Patients already using other anti-rickettsial drugs (rifampin, chloramphenicol, macrolides, quinolones, tetracyclines) * Patients with shock or multiple organ failure requiring vasopressor/vasoconstrictor, impaired consciousness, respiratory failure requiring mechanical ventilation, and renal dysfunction requiring hemodialysis