Eczema in the elderly, more commonly caused by dry skin dry eczema, in addition to certain environmental factors, diet, psychosocial factors and certain diseases related to the common causes include the following: 1, dry skin which is the more common cause of eczema in the elderly, with the increase in age, the sebaceous glands gradually atrophy, sebum secretion is reduced, resulting in dry skin, eczema will appear. In addition, it should be noted that most older people like to bathe with too hot water, resulting in damage to the skin barrier, triggering itching, often scratching will aggravate eczema. 2, environmental factors are mainly due to allergies, environmental stimuli related, including environmental or food allergens, environmental temperature or humidity changes, sun exposure, etc.. Many allergic reactions are manifested as eczema, for example, some elderly people like to use hair dye to dye their hair black, and hair dye contact allergies occur, manifested as eczema on the head. If you live in a dry climate, and then go to live in a hot and humid area for a period of time, it is possible that the environmental change may cause eczema. 3, dietary factors some elderly people like to eat spicy, greasy, irritating food, such as raw garlic, raw onions, fatty meat, or high protein fish, shrimp, crab, etc., from the perspective of Chinese medicine, these are fishy hair food, there is the possibility of triggering or aggravating eczema. 4, social Psychological factors such as tension, anxiety and other psychosocial factors, such as some elderly patients may be too worried about the condition, can also trigger or aggravate eczema. 5, pathological factors including abnormal immune function and systemic diseases, such as endocrine diseases, nutritional disorders, chronic infections, and hereditary or acquired skin barrier dysfunction. The elderly body function decreases, resulting in changes in the external environment, the ability to external defense, the ability to resist harmful substances, which can trigger eczema attacks. In addition, some elderly people take too many kinds of drugs due to disease factors, there may be allergic reactions to certain drugs. It is recommended that elderly patients should pay attention to moisturizing daily and not to scratch the affected area with their hands to avoid infection. They can apply mild, non-irritating moisturizing creams, such as vitamin E cream or some mild urea creams, to promote moisturizing and repair. In addition, if the affected area is painful, itchy and other symptoms, you need to follow medical advice combined with medication, such as lupatadine fumarate tablets, loratadine tablets, ketotifen fumarate tablets, etc.