What is alopecia areata? Alopecia areata is a disease that causes hair loss. In alopecia areata, the immune system attacks the structures in skin that form hair (hair follicles). Alopecia areata usually affects the head and face, though hair can be lost from any part of the body. Hair typically falls out in small, round patches about the size of a quarter. In some cases, hair loss is more extensive.
What is ichthyosis? Ichthyosis is a group of skin disorders. It leads to dry, itchy skin that appears scaly, rough, and red. The symptoms can range from mild to severe. Ichthyosis can affect only the skin, but sometimes the disease can affect internal organs, too.
What is osteoporosis? Osteoporosis is a disease that causes bones to become weak and brittle. This increases your risk of broken bones (fractures). Osteoporosis is a “silent” disease because you may not have symptoms. You may not even know you have the disease until you break a bone. Breaks can occur in any bone but happen most often in: Hip bones. Vertebrae in the spine. Wrist. You can take steps to help prevent osteoporosis and broken bones by: Doing weight-bearing exercises, such as walking or dancing, and lifting weights. Not drinking too much alcohol. Quitting smoking, or not starting if
What is osteogenesis imperfecta? Osteogenesis imperfecta (OI) is a disease that causes your bones to break (fracture) easily. OI is also called brittle bone disease. Your symptoms may be mild or severe, depending on the type of OI you have.
What is fibrous dysplasia? Fibrous dysplasia happens when abnormal fibrous (scar-like) tissue replaces healthy bone. The fibrous tissue weakens the bone over time, which can lead to: Broken bones. Bones that are misshapen (bowed or crooked). The disease can affect any bone in the body. Some people have no symptoms or only a few symptoms. Other people may have more symptoms. Although there is no cure for fibrous dysplasia, treatments may help to lessen pain, and physical therapy may help strengthen muscle and improve movement.
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.
What is rosacea? Rosacea (ro-ZAY-she-ah) is a long-term skin condition that causes reddened skin and a rash, usually on the nose and cheeks. It may also cause eye problems.
What is atopic dermatitis? Atopic dermatitis, often called eczema, is a chronic (long-lasting) disease that causes the skin to become inflamed and irritated, making it extremely itchy. Scratching leads to: Redness. Swelling. Cracking. “Weeping” clear fluid. Crusting. Scaling. In most cases, there are times when the disease is worse, called flares, followed by times when the skin improves or clears up entirely, called remissions. Atopic dermatitis is a common condition, and anyone can get the disease. However, it usually begins in childhood. Atopic dermatitis cannot be spread from person to person. No one knows what causes atopic dermatitis. Depending on
아토피 피부염은 무엇인가요? 흔히 습진으로 불리는 아토피 피부염은 만성(지속성) 질환으로 피부를 극도로 가렵게 만들어 부풀게 하고 염증을 일으킵니다. 긁으면 다음과 같은 증상이 생기게 됩니다. 발적. 부기. 균열. “삼출성”의 투명한 액체. 가피(딱지). 인설. 대부분의 경우, 질환이 악화되어 발적이라고 불리는 시기와 이에 이어 피부가 개선되거나 증상이 완전히 사라지는 관해(증상 소실)라고 불리는 시기가 있습니다. 아토피 피부염은 흔한 질환으로 누구나 생길 수 있습니다. 그러나 보통, 소아기에 시작합니다. 아토피 피부염은 사람 간에는 전파되지 않습니다. 아토피 피부염을 일으키는 원인은 모릅니다. 증상이 얼마나 심한가에 따라 다르지만, 아토피 피부염과 함께 생활하는 것은 힘들 수 있습니다. 그러나 치료는 증상을 관리하는 데 도움이 될 수 있습니다.