Rheumatoid arthritis (RA) is a chronic autoimmune disorder that mainly affects your joints. But RA and many of the medications that treat this bodywide inflammatory condition can also affect the ...

On light skin tones, the nodules may look red or purple. On light skin tones, the nodules of erythema nodosum may look red or purple. (Photo: Biophoto Associates / Science Source) On dark skin ...

Here’s how it works. A boy who was born with a purple lump on his head had a rare skin defect and a bit of brain tissue spilling out of his skull, a new case report says. Doctors involved in the ...

The skin may have red and purple marks, streaks ... that are concerning and require medical treatment include: painful nodules ulcers on the skin Mottled skin often resolves itself.

Lumps, bumps, or growths under your skin aren’t uncommon. A lump can form under your skin for many reasons. Read on to learn more about common causes of hard lumps under your skin and when it ...

MCC typically presents as a single, reddish-purple skin nodule on the head, neck and arms in areas of the body exposed to sunlight, according to a press release from Incyte, the drug’s manufacturer.

Purple or blue feet may be a sign of an injury or an underlying health condition, such as Raynaud’s disease, peripheral arterial disease, or frostbite. Skin can become blue or purple due to ...