Red pimples on the body

Our skin occupies a large area. Although each of us hopes to have smooth and firm skin, our skin will still be invaded by some diseases. Various skin diseases are still very common in our lives. Some people find that they have red pimples on their bodies. What's going on? Let's take a look at the introduction in this article.

What are the causes of red pimples on the body? In fact, red pimples on the body are usually caused by allergic skin diseases. There are many types of allergic skin diseases. If you do not analyze the cause of the red bumps on your body and seek medical treatment in a hurry, it will cause unnecessary physical harm. It is recommended that patients seek medical attention in time when the disease occurs in the early stages. The following content is for reference only:

First contact dermatitis

Contact dermatitis refers to an acute, subacute, or chronic inflammatory skin disease of the skin and mucous membranes caused by contact with certain external substances. The disease is characterized by erythema, blisters, papules, erosion and exudation at the contact site, and conscious itching. This disease has a clear history of contact and can heal itself after the cause is eliminated. It belongs to the categories of "lacquer sores", "toilet sores" and "strange medicine sores" in traditional Chinese medicine.

Second type of eczema

It is an allergic disease and belongs to type IV allergic reaction. The causes and triggers of eczema often vary depending on individual factors and the different stages of the disease, so they are difficult to determine. Clinically, it is characterized by significant itching with symmetrical distribution, acute symptoms mainly papulovesicular rash with a tendency to exudate, chronic symptoms mainly lichenoid changes, repeated attacks, and easy to become chronic.

Atopic dermatitis

Atopic dermatitis, also known as atopic dermatitis, is a chronic, recurrent, itchy, inflammatory skin disease with a genetic history, high blood IgE, and may be accompanied by asthma and allergic rhinitis. Patients or their families often have a history of allergic diseases such as urticaria, asthma, and allergic rhinitis.

The fourth type of autosensitive eczema

Autosensitive eczema is a special type of eczema that is caused by the patient's allergy to certain substances produced by his or her own internal organs or skin tissues. The clinical characteristics are the sudden occurrence of scattered papules, red bumps, papulovesicles and small blisters, which appear in clusters and can merge with each other. Before the onset of the disease, there is often a history of acute worsening of primary skin diseases such as eczema on the skin and other parts of the body.

Stasis dermatitis

Stasis dermatitis is also known as varicose eczema. Clinically, the disease is characterized by erythema and brown pigmentation on the lower legs, papules, blisters, and erosions that are difficult to heal and recur. In the later stages, the skin becomes dry, desquamated, and has lichenoid changes. It is more common in middle-aged and elderly people, and the lesions are more likely to occur on the calves.

Diaper dermatitis

Diaper dermatitis is a contact dermatitis that occurs in areas covered by diapers. Clinically, it is characterized by the appearance of erythema, papules, blisters, maceration, erosion, and exudation in areas covered by diapers, such as the buttocks and genitals. It often occurs in infants.

Seventh infectious eczematoid dermatitis

This disease is a special type of autosensitive dermatitis. Before the disease occurs, there are chronic bacterial infection lesions near the affected area. The clinical characteristics are redness around the lesions, dense small blisters, blisters, pustules, scabs, scales, and red bumps. Before the onset of the disease, there is a chronic bacterial infection focus, which discharges a large amount of secretions.

Type 8 Perioral Dermatitis

Perioral dermatitis refers to a chronic inflammatory skin disease around the mouth. First described by Frumess in 1957, it is called photosensitized seborrhea. The clinical features are symmetrically distributed papules, papulovesicles, pustules, erythema, scales, red bumps, etc., accompanied by mild itching and burning sensation. It is more common in women of childbearing age and occasionally in men and children.

Type 9 urticaria

It is a common itchy allergic skin disease. Clinically, the disease is characterized by the sudden appearance of wheals on the skin and mucous membranes, which occur in no fixed location, appear and disappear from time to time, are extremely itchy, and disappear without leaving any trace. Chronic cases may recur, often lasting for months or years. The location of the hair is not fixed. There is often a history of eating certain foods, such as fish, shrimp, seafood or certain medications, or sensitivity to cold.

Type 10 Papular urticaria

It is a common wheal-like papular skin disease in children and adolescents. Clinically, the rash occurs at the bite site, presents as a wheal-like reaction, has blisters in the center, and is characterized by severe itching. The disease is more common in spring and summer. The skin lesions are mostly located on the waist, back, lower limbs or exposed parts.

Type 11: Drug-induced dermatitis

Drug dermatitis, also known as drug rash, refers to an acute inflammatory reaction of the skin and mucous membranes of the body caused by drugs entering the human body through various routes, such as injection, oral administration, inhalation, and external use. Severe cases are accompanied by visceral damage. According to clinical statistics, 3/4 of drug rashes are caused by antibiotics, sulfonamides, sedatives, and antipyretics and analgesics. Traditional Chinese Medicine falls into the category of “Chinese medicine poisoning”.

Type 12: Hormone-dependent dermatitis

Stimulant-dependent dermatitis is also called rosacea dermatitis, or some perioral dermatitis is also included. It is caused by improper use or abuse of corticosteroids and is clinically characterized by diffuse skin erythema, capillary dilation, pinpoint pustules, chapped skin, desquamation, and color abnormalities. It is more common in people who use topical corticosteroids for a long time. There is often a history of corticosteroid use for more than half a month, which has led to dependence. The affected skin has diffuse erythema, the epidermis becomes thinner and shiny to varying degrees, and the capillaries are dilated. Desquamation, skin discoloration, atrophic scars, red pimples, etc.

The above is a detailed introduction to red pimples on the body. Experts remind patients that no matter what factors cause the red pimples, they should pay attention to it and consult professional dermatologists in regular institutions in time. If there is anything you don’t understand, you can check other content on our website.