Autoimmune hives (urticaria) are a type of rash caused by an overactive immune system that attacks healthy skin. It may be associated with an autoimmune condition, such as autoimmune thyroid ...

Petechiae sometimes appear in clusters and may look like a rash. If you have tiny red, purple, or brown spots on your skin , they could be petechiae. They're not a disease, but a symptom.

A 9-year-old girl presented with a 5-month history of episodic nonblanching annular red-yellow patches on her legs. The lesions resolved spontaneously after several weeks, and were asymptomatic.

A petechial rash is caused by internal bleeding and is often a sign of a serious medical condition. Petechiae dots are usually less than 2 millimeters in diameter.

Vasculitis can result from an autoimmune condition, infections, or medications and causes a rash. Learn more about how it affects the skin.

A rash on the genitals can be caused by certain infections, parasites, allergies, and autoimmune conditions. A doctor can help determine the specific cause and the best way to treat or manage ...

This autoimmune disease may impact your skin as well as your nails and hair. If you know what to look for, you can treat it more effectively. How to Identify Rashes and Other Lupus Skin Symptoms ...

Other conditions that can cause a similar petechial rash include: viral infections, including enterovirus and parvovirus B19; bacterial infections such as scarlet fever and infective endocarditis; ...

A 4-month-old male presents to pediatric dermatology clinic for evaluation of new-onset red spots on his bilateral lower extremities. The lesions have been present for 1 day and were noticed only ...

In addition to a neck rash, thyroid irregularities can cause various skin-related symptoms. This is because the relationship between the skin and the thyroid is quite significant, Dr. Kopelman notes.

Case #2: A 62-year-old man with ischemic cardiomyopathy and a HeartMate II LVAD implanted for 4 years presented with a 1-week history of fevers and a 3-day rash on the lower extremities and buttocks.