Infectious Disease

Age; proton pump inhibitor us; immunosuppression; BMI: which of these is not a risk factor for Clostridium difficile infection?

Dog Named Spot?-or Baby It's Cold Outside?

Patients with MRSA or MSSA should always be treated for at least 2 weeks with IV antibiotics.

Dramatically elevated liver enzyme elevations in this man with alcoholic cirrhosis and clouded sensorium suggest a hepatocellular rather than an obstructive process.

the dramatic elevation of aminotransferases may be the result of medication toxicity, acute viral hepatitis, or ischemic injury to the liver. Your assessment?

Mycobacterium avium complex enteritis; cytomegalovirus; Whipple disease; sprue: what endoscopic findings reveal the cause of worsening diarrhea in this HIV-infected man with a CD4 cell count of 32/μL?

Can a tick bite cause allegy to red meat? How long must a tick feed before it can transmit disease? Test your knowledge about tick borne illnesses with this mini-quiz.

An asymptomatic bump; IBD and celiac disease; a gradually expanding spot .... test your clinical skills on a range of disorders in this week's quiz.

Eosinophilic ascites is an extremely rare presenting sign of hypereosinophilic syndrome.

Not only does the welcome long-term survival of HIV-infected patients put them at risk of ordinary age-related bone loss, antiretroviral therapy leads to a decline in bone mineral density. What can be done?

HIV-infected men had a 2-fold increased risk of non–virus-related, non–AIDS-defining cancers compared with the general population living in the same area.

The eyes may be "windows to the soul," but they also provide a look at your patients’ overall health and clues to specific disorders. This week’s photo essay will test your ability to identify eye-related problems.

Double anaerobic antimicrobioal therapy is unnecessary and exposes patients unnecessarily to unpleasant adverse events.

Fecal microbiota transplant is thought to help restore the diversity of microbiota in the gut and allow restoration of colonization resistance.

This agent has a large number of drug-drug and drug-food interactions, and there is a need for increased INR monitoring.

Creatures of all kinds can get under your patients’ skin and cause problems, and the results sometimes are mistaken for other types of lesions. This week’s photo essay will test your ability to identify various kinds of diagnoses.

Identification of infections often presents a major challenge because there may be significant overlap in clinical findings. This week's photo essay takes the form of a quiz to test your ability to meet the challenge and hone your diagnostic skills.

A rapidly developing lesion . . . flashing lights . . . blue sclera: can you answer this week’s 5 quiz questions?

Vaccination against influenza substantially reduces the disease’s burden in the United States each year, according to the results of a unique look at the impact of vaccinations.

A biopsy revealed non-caseating granulomata, and culture revealed Mycobacterium marinum. This patient had a fish tank at home, and used his right hand to perform maintenance.

Pulmonary embolism was the diagnosis in these 3 women, each of whom presented with positional right flank pain.

A scabies diagnosis can be made with a history of pruritus that is worse in the evening with a rash in a typical distribution and a history of itching in close contacts.

A pruritic rash of 1 week's duration on the boy's elbows, knees, back, and legs did not respond to oral prednisone.

Antiretroviral therapy may not halt neurocognitive decline even in patients who have normal CD4 counts and undetectable viral loads.

Cutaneous larva migrans (CLM), also known as “creeping eruption,” is the most commonly acquired tropical dermatosis