Infectious Diseases

The Clinical Picture

Methemoglobinemia in an HIV patient

He had restarted his home dapsone prophylaxis, but his dyspnea worsened and his urine became dark.


The Clinical Picture

Drug reaction or metastatic lung cancer?

Imaging shows nodules randomly distributed throughout both lungs, a paradoxical reaction to drug therapy.

IM Board Review

Fever after recent travel

The patient had been taking a TNF-alpha inhibitor and had recently returned from Mexico.

The Clinical Picture

Iliopsoas abscess

A 52-year-old woman with diabetes presents with pain in her lower abdomen and back.