This presentation fits within a diagnostic territory of an autoimmune disorder, a systemic inflammatory disorder, malignancy, and an infection. Let's further examine the differential diagnosis.

It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out. Even for ...

It can be distressing to wake up with a mysterious swollen red rash on your ankle. Could that rash be an insect bite? And what kind of bug bit you? The answers aren't so easy to figure out. Even for ...

Broward County's school district has now confirmed six cases of measles, a highly contagious viral infection that is often recognized by a red rash that appears all over the body. All six of the cases ...

The physical exam revealed a well-nourished, well-developed, middle-aged male in no acute distress. His vital signs were all within normal limits. A head and neck exam included a normocephalic head, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Picture this: You’re going about your day, when all of a sudden you spot a red, splotchy rash on your ...

Even if you’re not an avid swimmer, a quick dip in the pool is so refreshing on a hot summer day. The hitch: The chlorine used to kill bacteria, viruses and other harmful microorganisms in pool water ...

Reported symptoms vary from mild reactions such as palmar and plantar pruritis 9 to more severe reactions such as anaphylaxis with tongue swelling, throat constriction, and respiratory distress. 5 ...