What is Raynaud’s phenomenon? Raynaud’s phenomenon is a condition that affects your blood vessels. If you have Raynaud’s phenomenon, you have periods of time called “attacks” when your body does not send enough blood to the hands and feet. Attacks usually happen when you are cold or feeling stressed. During an attack, your fingers and toes may feel very cold or numb. Raynaud’s phenomenon is also called Raynaud’s disease or Raynaud’s syndrome.
What is rosacea? Rosacea (ro-ZAY-she-ah) is a long-term disease that causes reddened skin and pimples, usually on the face. It can also make skin thicker and cause eye problems.
What is acne? Acne is a common skin condition that happens when hair follicles under the skin become clogged. Oil and dead skin cells plug the pores, and outbreaks of lesions (often called pimples or zits) can happen. Most often, the outbreaks occur on the face but can also appear on the back, chest, and shoulders. For most people, acne tends to go away by the time they reach their thirties, but some people in their forties and fifties continue to have this skin problem.
What is pemphigus? Pemphigus is a rare disease that causes blistering on many parts of the body, including the skin and the inside of the mouth, nose, throat, eyes, and genitals. In pemphigus, the immune system mistakenly attacks cells in the top layer of the skin.