Infectious Disease

A 34-year-old schoolteacher presents with three weeks of cough. Her illness began with a runny nose and mild sore throat, after which she developed bouts of sev…

A 24-year-old man presents with four days of fever, a runny nose, red watery eyes and a dry cough, ten days after returning from Bali. This morning a blotchy re…

A 24-day-old girl is brought to the emergency department after her mother measured an axillary temperature of 38.3°C at home. She was born at term after an unco…

A 19-year-old man is brought to a rural general practice, 45 minutes from the nearest hospital, with six hours of fever, vomiting and severe pain in his legs. H…

A 78-year-old man presents with three weeks of redness, warmth and itch affecting both lower legs. He is otherwise well, with long-standing varicose veins and a…

A 34-year-old man presents with five days of fever, drenching sweats, severe headache behind the eyes and aching muscles. He started work at a rural Queensland…

A 67-year-old man presents to the emergency department with a 2-day history of severe diarrhea, abdominal cramping, and fever (38.5°C). His symptoms began appro…

A 59-year-old male presents to the emergency room after he develops a fever of 38.5°C (101.3°F). He was recently diagnosed with leukemia and started chemotherap…

A 20-year-old college student presents to the emergency department with a fever, severe headache, and neck stiffness for the past 12 hours. One of his roommates…

For how long should doxycycline be continued after leaving a malaria-endemic area?