Where does eczema appear?

Everyone should be familiar with the skin disease eczema, because eczema is a common skin disease in the human body. After suffering from eczema, everyone should actively use medication to relieve itching and regulate their diet. However, many patients do not realize that they have eczema in the early stages of the disease, thinking that it is just a simple mosquito bite. Therefore, it is very necessary to have some proper knowledge about eczema at this time.

Where does eczema usually appear?

Generally speaking, eczema often occurs on the head and face, behind the ears, distal limbs, scrotum, and around the anus, and is often distributed symmetrically. Most of the densely packed millet-sized papules, papulovesicles or small blisters have a flushed base and gradually merge into patches. If secondary infection occurs, the inflammation will be more obvious and may form pustules, pus scabs, folliculitis, furuncles, etc.

Ear eczema: It usually occurs in the folds behind the ear, which is called ear sore in traditional Chinese medicine. The skin lesions are erythematous, erosive, with a little exudation, crusting and cracking. They are usually symmetrically distributed, itchy, and prone to infection. The majority of patients are children.

Breast eczema: more common in women, often during the lactation period. It often occurs on the nipple, areola and their surrounding areas, and often affects both sides at the same time. The rash is erythema, infiltration, erosion, exudation and crusting, sometimes accompanied by cracking. I feel severe itching and mild pain. If breastfeeding is stopped, the symptoms will improve rapidly until they are cured.

Hand eczema: The biggest feature of this type is that it is easily affected by climate, often getting worse in winter and getting better in summer. It often affects the back of the fingers, and the skin lesions show obvious infiltration and thickening, which may be accompanied by cracking and desquamation. The itching is difficult to describe and is often aggravated by irritation such as detergents.

Calf eczema: This type is more common clinically, and tends to occur on the inner and outer sides of the shins, with symmetrical distribution. The rash manifestations are the same as acute or chronic eczema. Some patients have varicose veins, mostly in the lower third of the calf. The affected area may cause chronic congestion due to blood reflux disorder, with considerable local pigmentation and even ulcers.

Vulvar or scrotal eczema: occurs in the vulva or scrotum area, with skin lesions showing erythema, erosion and exudation, and may also have lichenification and obvious pigmentation. Eczema in this area is extremely itchy due to the rich nerve distribution.

Anal eczema: The disease occurs in the anus and may also involve nearby skin. The lesions are often infiltrated and thickened, moist or slightly exudative, and can also cause chapped skin. Severe itching.

How is it formed?

1. Infectious factors: The causes of some eczema are related to microbial infection. These microorganisms include Staphylococcus aureus, Malassezia, aerogenic fungi such as Alternaria, Cladosporium, Penicillium, Aspergillus fumigatus, Fusarium, Penicillium chrysogenum, Aspergillus niger and Rhizopus niger. The presence of these factors can cause eczema.

2. Dietary factors: Human food is extremely diverse, and can generally be divided into plant, animal, and mineral categories. In modern times, some chemically synthesized foods are often used, such as saccharin, acetic acid, citric acid, flavors, synthetic dyes, etc. Leading to the occurrence of eczema. Therefore, this is also the cause of eczema.

3. Drug factors: Drug factors are the main cause of certain eczema, especially eczematous drug rash. Generally speaking, any medicine may cause eczema.

It can be seen from this that the anus, scrotum, calves, hands, breasts, ears and other parts are very prone to eczema, and are also the parts most prone to eczema. Therefore, patients should pay extra attention to these areas to prevent the occurrence of eczema.