1, what is pityriasis albicans? How to tell?

Pityriasis albicans, also known as pityriasis simplex or pityriasis facialis, is characterized by hypopigmentation spots and blurred edges, which is a chronic skin disease with unknown causes.

Common in children or adolescents, especially children with dark skin. About 40% children suffer from pityriasis alba.

Pityriasis albicans usually occurs on the face, but it may also occur in other parts of the body, such as the neck, chest and arms.

Typical white pityriasis lesions are generally round or oval, with a diameter of 0.5 ~ 2 cm or more, and the number varies. It is light pink at first, which is generally difficult to detect. After a period of time, it gradually becomes lighter and whiter than the surrounding skin, and the "white spot" area will be slightly dry and covered with a little gray scales.

These light spots are usually not too obvious, and they may have to be seen very close, which is even harder to find if the child's skin is very white.

And there is almost no discomfort after suffering from pityriasis albicans. Most people have no pain or itching, and only a few patients have a slight itching or burning sensation.

2. How to treat pityriasis albicans?

White pityriasis generally does not need treatment, and it will fade after a period of time, leaving no trace. The recovery time may be months or years, but it usually does not last until adulthood. If the symptoms are particularly obvious, you can apply 5% sulfur ointment or bifonazole ointment under the guidance of a doctor.

Because pityriasis albicans may be related to dermatitis, eczema or dry skin, it is best to pay more attention to cleaning the skin and then apply moisturizer to fully moisturize it;

White pityriasis may get worse in hot summer, so you must do a good job of sun protection when you go out and try to avoid direct sunlight.

3. It is said that if there are white spots on the child's face, it means there are insects in the body, really?

Children have white spots on their faces, which the old people habitually call "insect spots". In fact, it generally refers to pityriasis alba.

CCTV did a related program. The reporter took two children with "insect spots" on their faces to the hospital for a stool examination. Results No parasite eggs and parasites were found in feces. The doctor also confirmed that the white spot on the child's face is actually white pityriasis.

It can be seen that the long white spots on the child's face have nothing to do with whether there are parasites in the body.

This statement may be related to the fact that most people were infected with parasites in the past, and pityriasis albiflora is also a common skin disease in children, so people naturally associate the two. In fact, medical experts have long confirmed that pityriasis albicans is not directly related to parasitic diseases.

Second, there are white spots on the baby's face. What could it be?

1, pityriasis simplex

This is very common among children. The lesions are reddish macules with round or oval sizes, and the periphery is unclear.

1 ~ 2 weeks later, the red color faded, leaving light spots, the surface was dry and there were a few gray scales on it.

The radius of this kind of spots is about 0.5 cm, and the edges are clear. Usually the abdomen is above our neck, upper arm, back and even trunk.

Most children have no conscious symptoms, and a few children have mild itching.

The course of the disease is chronic, but it does not heal for several days or years, and then gradually fades away without leaving any trace.

The cause of this disease is unknown, which may be related to dry skin and strong sunlight, or it may be a manifestation of seborrheic dermatitis, or an infection of viruses, fungi and streptococcus. However, there is no definite evidence in the medical field at present, and some experts believe that this disease is related to nutritional metabolism.

therapeutic method

We suggest that local leukoplakia can be treated with 5% sulfur cream and hydrocortisone.

Jiafu

A variety of vitamins and trace elements (mainly zinc).

2, vitiligo

Vitiligo is a rather complicated skin disease. It can occur from infancy to old age, and about half of it occurs before the age of 20.

Vitiligo is the primary, localized or generalized depigmentation of skin, which is caused by the decline and loss of tyrosinase system in melanocytes of skin and hair follicles.

Skin lesions have no pigment, different sizes and shapes. White spots can appear all over the body, with clear boundaries, dark pigment in the boundary and white hair follicles.

At present, the cause of vitiligo is not clear. At present, it is considered to be related to heredity, autoimmunity, mental factors and endocrine factors. Others include the theory of melanocyte self-destruction and the relative lack of tyrosine and copper ions, but the real reason needs further confirmation.

Most vitiligo can be cured.

Commonly used drugs for treating vitiligo are

Corticosteroids such as betamethasone and dimethyl sulfoxide cream can be used for external use, and traditional Chinese medicines such as bone tonic ester can be used for internal use, and surgery can be performed if necessary (also called autologous epidermal transplantation).

3. Anemia nevus

This is a congenital hypopigmentation's spot, which usually occurs at birth. Because the number of capillaries in the plaque is less than normal, the surrounding skin is congested when rubbing the affected area, and the white spot remains unchanged.

4, no pigmented nevus

Onset at birth or shortly after birth. Skin lesions are often distributed along the ganglion segment, showing localized or generalized discoloration, blurred boundaries, serrated edges, halo of pigment proliferation in surrounding neurons, and sometimes light brown millet to lentiform freckles. The child feels normal and the pigmented nevus remains unchanged for life. This is a kind of mole.

The above is only based on the characteristics of children's skin described in your letter, and it is only an analysis of common skin diseases of children. Because your letter didn't mention the time when local leukoplakia appeared in children, I think pityriasis simplex can be considered first according to the manifestations of skin lesions, and the disease can be diagnosed in the local hospital.

In addition, according to years of clinical experience, most children have a history of partial eclipse in diet. Therefore, in addition to local medication, we also emphasize the need to correct children's partial eclipse.

After taking a variety of vitamins and trace elements (zinc, selenium, magnesium, etc.). ), the children are all cured.

Third, how to care for the white spots on the baby's face?

1. Wear soft clothes and more cold clothes in winter. If you don't pay attention to wearing them, you will feel itchy more easily. This is because the body and clothes, clothes and clothes constantly rub to produce static electricity, which irritates the skin.

Therefore, in winter, try to choose cotton, silk and other clothes that are not easy to generate static electricity to make underwear and shirts. At the same time, we should also pay attention to the collocation of clothes. If you wear a polyester shirt, don't wear an acrylic sweater. If you wear synthetic fiber clothes inside, don't wear insulating polyester coat outside to prevent static electricity.

2, skin exercise Strengthen skin exercise and enhance the adaptability of the skin to the cold environment. You can take a cold bath, an air bath, sunbathing, massage, etc. Still insist on washing your face with cold water and wiping your body with cold water.

Many parents think they have intestinal worms when they see white spots on their children's faces, so they are eager to bug their children.

In fact, the so-called "insect spot", medically known as pityriasis albicans, also known as pityriasis simplex (commonly known as ringworm of peach blossom) and streptococcus pityriasis, is a common skin disease among children and adolescents.

The causes may be streptococcus infection, underdeveloped sebaceous glands in children, lack of sebum protection on the skin, malnutrition, lack of B vitamins in the body, excessive cleaning and sun exposure.

The disease usually occurs in spring and subsides in summer and autumn. Hypopigmentation's round or oval plaques mainly appear on the face, mouth, cheeks and forehead, but also on the neck, shoulders, arms, chest and buttocks.

Self-conscious symptoms are not obvious, and a few patients may have mild itching.

Pityriasis albicans has little effect on health except for its beauty.

People often refer to this kind of white spot as "insect spot", and even use it as a basis for diagnosing parasites such as ascaris, and blindly use insect repellent. Therefore, the toxicity of insect repellent will cause liver damage to children.

It is worth noting that the white spots on children's faces are not necessarily related to intestinal parasites. Someone observed 1650 patients with white spots on their faces, and the false positive rate of parasitic infection was as high as 70%.

In other words, among children with white spots on their faces, 70% have no bugs in their bellies.

Therefore, it is not reliable to diagnose ascaris only by "insect spots". To diagnose whether a child is infected with ascaris lumbricoides, ascaris lumbricoides can only be found from the results of stool examination or stool.

Pityriasis albicans generally does not need special treatment, let alone deworming.

Pay attention to keep your face clean, don't use too alkaline soap, and use some oily moisturizing cream in dry season.

If the child feels itchy or uncomfortable, he can apply it with sulfuric acid ointment or hormone cream.

For malnourished children, it is necessary to adjust the diet structure, increase the variety of food, supplement vitamins, and take B vitamins under the guidance of a doctor when necessary to alleviate or make leukoplakia subside.

Fourth, a few small suggestions for parents.

1, heavy food health care When the human body lacks vitamin A, the skin will become dry, and patients with vitiligo will have scales and even prickly papules on the skin, so it is advisable to eat more foods rich in vitamin A in winter.

2, keep the skin moist, it is not easy to take a scientific bath too often in winter, the water temperature is suitable, it is not easy to be too hot, do not rub the skin too hard, and do not use soap with too strong alkalinity, otherwise it will easily destroy the skin surface, which is not much sebum, making the skin drier, and therefore more itchy and chapped.

The number of baths should be 1-2 times a week. After bathing, you can rub some licorice oil, antipruritic cream, moisturizing cream and so on. Keep the skin moist and prevent the skin surface from drying off.

3. Avoid using inferior cosmetics. Inferior cosmetics are toxic to the skin because of impure texture or heavy lead content. There are also some allergic spices in cosmetics, and some people will be allergic after using them, and even increase the pigment. These are easy to cause harm to the skin.

4, heat preservation and cold winter temperature is low, skin exposed parts are easy to frostbite, such as hands, head, neck and so on. Others, such as feet, are also prone to freezing, so we should pay attention to the cold and warmth of these parts, such as wearing scarves, gloves, earmuffs and cotton shoes to keep warm, rubbing hands and ears at any time, padding feet and exercising in time. Avoid wearing wet clothes, shoes and socks. Meanwhile, dry your hands and face before going out.