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a skin condition in which small red spots appear on the face or the neck, mainly affecting teenagers
青春痘, 粉刺
a rare disease where painful blisters form on the skin and inside the mouth due to the body's immune system attacking healthy cells
天疱疮, 天疱疮（疾病）
an autoimmune condition characterized by the sudden onset of hair loss in well-defined patches on the scalp or other parts of the body
斑秃
a chronic skin disorder causing thick, red, and scaly patches due to rapid skin cell overproduction
银屑病, 银屑病（疾病）
a chronic skin condition causing red, itchy rashes often starting in childhood
特应性皮炎, 湿疹
a condition characterized by episodic narrowing of the blood vessels in the fingers and toes, resulting in reduced blood flow and color changes in the affected areas
雷诺现象, 雷诺综合症
raised, itchy welts on the skin, often triggered by factors like allergies or stress
荨麻疹, 皮肤风团
a genetic skin condition characterized by blistering and fragility of the skin
大疱性表皮松解症
a chronic skin condition that causes redness, swelling, and small bumps similar to acne
玫瑰痤疮
a chronic skin condition that causes painful, inflamed nodules and abscesses in the skin's sweat glands
化脓性汗腺炎, 汗腺化脓性炎
a rare autoimmune disease that causes skin and tissue hardening, affecting internal organs
硬皮病
a skin condition characterized by the loss of pigmentation, resulting in white patches on the skin due to the destruction of melanocytes
白癜风
a genetic skin disorder characterized by the formation of thick, dry, and scaly skin, often resembling fish scales
鱼鳞病, 鳞状皮肤病
a rare genetic disorder that affects the nails and can cause thickened, abnormally shaped nails, as well as other skin and oral abnormalities
先天性厚甲病, 遗传性厚甲病
a small, painful blister that typically appears on or around the lips, caused by the herpes simplex virus
唇疱疹, 冷疱
a swollen area on the skin filled with liquid, caused by constant rubbing or by burning
水泡, 水疱
a rough, scaly patch on the skin caused by too much sun exposure and could turn into skin cancer
光性角化症, 日光角化病
a painful, swollen cluster of connected boils on the skin, typically caused by a bacterial infection
瘤肿, 脓肿
a very common skin condition that causes one's skin to become dry, red, itchy, and bumpy
湿疹
a serious injury resulting from excessive exposure to severely cold weather or things, causing the freezing of the nose, toes, fingers, etc.
冻伤, 霜伤
a bacterial skin infection causing redness, swelling, and tenderness due to a skin break
蜂窝组织炎, 细菌性皮肤感染
a chronic autoimmune disease causing inflammation and diverse symptoms like joint pain and skin rashes
红斑狼疮, 狼疮
a skin condition causing brown or gray-brown patches, often on the face, linked to hormonal changes or sun exposure
黄褐斑
skin inflammation caused by contact with irritants or allergens, resulting in redness, itching, and in some cases blistering
接触性皮炎, 接触性湿疹
a long-term skin condition causing red, itchy, and flaky patches, commonly on the scalp and face
脂溢性湿疹, 脂溢性皮炎
a skin condition causing small, rough bumps on arms, thighs, cheeks, or buttocks
毛囊角化症, 毛皮角化症
a contagious fungal infection of the skin or scalp, characterized by circular, red, and itchy rashes with a raised, defined border
癣, 皮肤真菌感染
a contagious bacterial skin infection causing red sores that turn into yellowish-brown crusts
脓疱疮
a viral infection causing painful sores, often around the genital or oral areas, due to the herpes simplex virus
疱疹
injuries to areas of skin and underlying tissue, usually over a bony prominence, as a result of prolonged pressure on the skin
褥疮, 床褥伤
a condition characterized by inflammation and cracks at the corners of the mouth, often caused by a combination of factors including infection, dryness, and nutritional deficiencies
嘴角炎, 嘴角裂口
a general term referring to inflammation of the skin, often causing redness, itching, and various skin conditions
皮肤炎
a skin condition marked by itchy, raised welts caused by an allergic reaction or other triggers
荨麻疹, 风团
a condition where the skin on certain parts of the body appears dimpled or lumpy, caused by underlying fat deposits and connective tissue
脂肪团
