There are more types of spots, such as chloasma, freckles, coffee spots, seborrheic keratosis, etc., which can be distinguished by the color, size, shape and age of the spots.
1. Chloasma: Chloasma, commonly known as pregnancy spot and liver spot, is a common acquired skin pigmentation disease that usually occurs on the face and is light brown or dark brown in color. For example, pregnancy, menstrual disorders and long-term use of oral contraceptives may lead to chloasma.
2. Freckles: The occurrence of freckles is usually related to heredity, the color is brownish, and it occurs on the face, especially on the nose and cheeks, and sometimes it may involve the exposed parts such as shoulders, neck and back of hands, etc. The color, size and number of freckles vary, and it may change with the seasonal changes. Sunlight exposure or pregnancy may cause freckles to aggravate.
3. Café-au-lait spots: Café-au-lait spots are pigmented spots with clear boundaries, which are mostly seen on the face, trunk and other parts of the body. Café-au-lait spots are mainly oval-shaped, irregularly shaped, and uniformly colored patches, which are mostly seen in newborn babies or children.
4. Seborrheic keratosis: Seborrheic keratosis, also known as age spots, often occurs in middle-aged and older people. With age, the patches may gradually protrude from the surface of the skin.
When skin patches appear, it is recommended to pay strict attention to sun protection, go to the dermatology department of the hospital if necessary, and give treatment under the guidance of the doctor if necessary.