This autoimmune disease may impact your skin as well as your nails and hair. Learn what to look for to treat lupus more effectively.

The patient’s nodules were keloid scars due to herpes zoster. With age-related decrease in cell-mediated immunity, the varicella-zoster virus (VZV) that has been lying dormant in a dorsal root ...

Scabies is often brushed off as eczema, dermatitis, or an allergic reaction, but it's important to make sure you know for ...

A 7-year-old boy with no underlying conditions is brought to the emergency department (ED) by his mother for fever, sore throat, abdominal and neck pain, and rash. These symptoms started 6 days ago.

We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

Enlarging purple pruritic nodules on the dorsal neck One month after a painful neck rash, an HIV-positive man develops pruritic purple lesions at the same site. A 34-year-old African American man ...

This child has fever, neck pain, sore throat, and large cervical lymphadenopathy, which may indicate bacterial lymphadenitis. You order blood cultures, urinalysis, streptococcal rapid test and culture ...