Latent tuberculosis infection-positivity is common among patients with systemic vasculitis and is associated with BD and smoking history.

People often use the terms eczema and dermatitis interchangeably, but “dermatitis” is a broader term that encompasses more than eczema rashes. Keep reading to learn about the differences ...

Hives also tend to cause itching and discomfort that's worse at night. Hives are a specific type of rash caused when tissues beneath the surface of the skin fill with fluid, causing raised, discolored ...

Vasculitis is an autoimmune disorder that causes ... It typically causes a purple rash on the lower legs and buttocks and can cause abdominal pain and aching joints. It’s most common in children ...

A foot rash can occur due to an allergic reaction or infection. A person can treat some rashes, such as athlete’s foot and contact dermatitis, with over-the-counter (OTC) medications.

Cutaneous candidiasis is a yeast infection that affects the skin and causes a red rash accompanied by dry and scaly patches of skin. Sometimes, these scales will ooze pus or become crusty. Although ...

A common symptom of Lyme disease is a bullseye-shaped rash. However, many other conditions may cause a similar rash, including ringworm, fixed drug reactions, and allergic reactions to insect bites.

The medical term for ringworm is tinea corporis. “Tinea” means fungus, the cause of the rash, and “corporis” means the body. Symptoms of ringworm on your body usually start about 4 to 14 ...

Vasculitis is an autoimmune condition caused by inflammation of the blood vessels, an it can present as a rash. Experts have seen some cases of vasculitis with COVID-19, particularly small cell ...

Background: Kawasaki disease (KD), an acute febrile illness and systemic vasculitis, is the leading cause of acquired heart disease in children in industrialized countries. KD leads to the development ...

Medically reviewed by Casey Gallagher, MD Petechiae are tiny red or purple dots that don't turn white when you press on them.

Medically reviewed by Riteesha G. Reddy, MD Lupus and hives sometimes go together, but only in about 10% of lupus cases. Lupus is a chronic autoimmune disease with a long list of symptoms that affect ...