Medically reviewed by Susan Bard, MD An itchy rash with blisters can be caused by an allergic reaction; an autoimmune disorder; a bacterial, fungal, or viral infection; and trauma to the skin.

In kids, symmetric rash with itching occurs near the elbows ... Psoriasis, being an autoimmune condition, has more complications than eczema. "While some cases of eczema can be severe, causing ...

Lupus is an autoimmune condition that can cause pain ... The three most common symptoms of lupus include fatigue, a butterfly-shaped rash, and pain affecting the muscles and joints.

They’re both autoimmune diseases that affect the joints ... You might need medication to treat skin rashes, heart disease, or kidney problems associated with either condition.