That stubborn blackhead may actually be a sebaceous filament. Fact checked by Isaac Winter Medically reviewed by Hadley King, ...

Learn the key differences between pimples and cysts, plus safe treatment options, and when to see a doctor for skin bumps ...

When you have multiple myeloma, infections are something you’ll need to watch out for. The disease and its treatment make infections more likely. If you get an infection, it’s also more likely to get ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

The scrotum is a bag of skin behind the penis, containing testicles and other structures responsible for storing, producing, and transporting male sex hormones and sperm. A scrotal mass may contain ...

Hidradenitis suppurativa (HS) causes painful bumps where skin rubs together. When lumps burst or form tunnels, they can become infected and scar. Following your HS treatment plan can reduce flare ...

Hidradenitis suppurativa (HS) is an inflammatory skin condition that causes painful lumps under the skin that may burst, scar, and form tunnels. Early HS is often misdiagnosed as acne vulgaris, cysts, ...

Susan Bard, MD, is a board-certified general and procedural dermatologist with the American Board of Dermatology and a Fellow of the American College of Mohs Surgery. Seborrheic dermatitis can cause ...

I had one removed from my head when I was about eight-years-old and didn't have another until two years ago. Now I have three that have come up on my head beneath my hair.