Medically reviewed by Danielle Weiss, MD Up to 30% of people with chronic hives (also known as chronic urticaria) have an ...

A 3-year-old girl who is in the maintenance phase of chemotherapy for leukemia is seen for a moderately painful rash on her ...

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 ...