How is urticaria in children caused?


Commonly known as rubella, it is a common allergic skin disease and a common skin disease in children. At the time of the onset, there will be rubella (lumps) of different sizes on the skin. When you touch it by hand, you will find a hard feeling and itching. The surface antigen of the rubella block sees the pores, and a slight scratch on the skin can show a red mark slightly higher than the surface of the skin. This is caused by the cells and fluid in the blood vessel seeping outside the blood vessel. The rubella block of the child appears quickly and disappears quickly, and does not leave traces when he was a child, but it is easy to relapse and may appear several times a day.

1. What is the Urticaria symptoms in children ?

  1. There are many rashes with different shapes and different sizes on the skin of the child. The rash is white in the middle, and the affected part will have itching. It will disappear automatically within 24 hours after the appearance. Due to the itching, the child often scratches because of excessive scratching. Causes skin epidermis rupture and causes secondary skin infections.

  1. According to the symptoms of infant urticaria, it is often divided into acute urticaria in children and chronic urticaria in children. The acute urticaria in children is acute, and itchy skin first, and red winds of varying sizes and irregular shapes soon appear. Pan-fat, can be single or densely fused into pieces.

  1. The wind mass disappears within a few minutes or hours, leaving no traces after disappearing, new wind masses appear continuously, one after another, ranging from several times a day. Itching and burning of the wind mass often affect the throat, such as laryngeal edema, chest tightness, difficulty breathing, and even suffocation and palpitations. Some children have nausea, vomiting, abdominal pain, and diarrhea.

2. How is urticaria caused in children ?

Internal factors of urticaria in children.

(1) The baby has an inherited allergic constitution, or the vascular nerve immune function of the baby is impaired. If you eat or inhale pollen, mold, animal dander and other allergens, it is easy to enter the blood through the thin intestinal wall. Because the baby’s subcutaneous capillaries are rich, the symptoms immediately appear on the skin.

(2) The baby’s gastrointestinal system is not perfect and the immunity is not strong.

  1. External factors. The most common external causes of baby urticaria are drugs and food:

(1) Allergies to food: nuts, seafood, eggs, strawberries, mushrooms, milk, etc.

(2) Allergic to drugs: penicillin, streptomycin, sulfonamides, aspirin, Xiaoyantong, dysentery, serum, vaccine, etc.

(3) Inhalation: pollen, dust, smoke, etc.

(4) Sources of infection: bacteria, viruses, molds, parasites, etc.

(5) Animal and plant stimulation: bed bugs, mites, nettles, kudzu, etc.

(6) Physical speechless factors: too cold, too hot, cold wind, sunlight, and stimulation of certain skin care products.

Depending on the age of the baby, the causes of urticaria may also vary.

(1) Lactation period: If the baby is fed mainly with breast milk, milk, and milk products, the causes of urticaria are mostly related to the additives of milk and milk products.

(2) After adding complementary foods: As age increases, infants and young children begin to increase complementary foods. At this time, eggs, meat floss, fish pine, juice, vegetables, and fruits can all cause allergies.

(3) Pre-school and school-age children: At this time, children often like to eat snacks, and there are many types of snacks and dinner foods, so the chance of food allergies increases, such as kernels, fish, crabs, shrimp, peanuts, eggs, strawberries , Apples, plums, citrus, all kinds of cold drinks, beverages, chocolate, etc. may all cause allergies.

(4) Children 2-7 years old lack self-government ability. When going outdoors, in the wild, under trees and evening street lights, they are often easily bitten by insects, or come in contact with pollen, dust, mites, and the fur of pets such as cats and dogs. All easily become the cause of allergies.

(5) Children in childhood and early childhood have low resistance and are susceptible to various infections. Therefore, diseases such as purulent tonsillitis, pharyngitis, enteritis, and upper respiratory tract infections can become urticaria-inducing factors throughout the year.

(6) Older children and adolescents begin to be allergic to drugs, especially penicillin, causing urticaria.

Pediatric urticaria is also divided into acute and chronic. The treatment of acute urticaria is relatively easy, and the treatment time of chronic urticaria needs to be extended.

If pediatric urticaria continues to recur for more than six weeks, it becomes chronic urticaria. The cause of the disease is not necessarily related to food. Many other factors may cause chronic urticaria in children. Such as temperature changes, physical changes (such as scratching), dust, pollen, stockings and other irritation to the local skin, emotions cause blood vessel tension and so on. Like someone who is allergic to cold water and someone who is allergic to hot water, it can cause chronic urticaria in children. Chronic urticaria is more than 6 to 12 weeks.

Most pediatric urticaria episodes are transient. And it is related to the immune mechanism. Some children will heal themselves after strengthening their constitutions, but some will last for a long time. For these children, they should actively go to the hospital for treatment and check the existing causes in detail. There are also-more than half of the patients may not find obvious reasons for treatment.

Nursing of urticaria in children

  1. Keep away from allergens. After the baby develops urticaria, parents should pay attention to observe the allergens that cause urticaria in children, avoid contact with suspected allergens again, and stop taking or stopping the medicines and foods that cause allergies.
  2. Apply antipruritic lotion. If the child is very itchy, he can apply calamine lotion and other potions, and boiled potatoes are rubbed into mud or smeared with calcium tablets and powdered with water. These can alleviate the child’s skin itching symptoms.
  3. Shorten your nails. Cut your baby’s nails short to prevent the baby from scratching the skin to cause infection; you can also use other methods to distract the child’s attention, don’t let him always pay attention to itchy skin.
  4. Keep the skin clean. Keep your baby’s skin clean and dry to prevent secondary infections.
  5. Pay attention to indoor ventilation and cleanliness. Keep the baby indoors ventilated, clean and dry, do not place flowers that may cause allergies, and do not spray pesticides, fragrances and other chemical drugs to avoid sensitization.
  6. Strengthen physical exercise. The baby should strengthen exercise and participate in various sports that are beneficial to health. For example, in summer, you can gradually transition from wiping your body with a cold towel to showering with cold water, in order to enhance the skin’s resistance to disease.
  7. Light diet, avoid fish, shrimp, crab, mutton and other hair, and spicy stimulating spices such as chili, curry, garlic and so on.
  8. Maintain the law of life, keep the baby happy, and actively treat gastrointestinal and endocrine diseases.

Pediatric urticaria impact

  1. Edema. Urticaria is caused by various factors causing human allergies, causing temporary inflammatory hyperemia and large amounts of fluid oozing out of the blood vessels of the skin and mucous membranes, causing local edema damage.
  2. Itching. The edges of the wind clumps are not neat, which can be merged into pieces and cause itching.
  3. Repeated attacks. Most of the urticaria episodes are less than 24 hours, but they will often recur and affect the child’s normal life and rest.
  4. Severe allergies. If the allergy is severe, upper abdominal pain, nausea, vomiting, diarrhea, etc. can occur after the digestive tract is affected; the throat can be involved, which can cause throat edema, shortness of breath, and even suffocation. Difficulties, chest tightness, etc.

Nutrition intervention:

In fact, in the concept of ordinary people, vitamin C and calcium are rarely associated with allergies, but in the first test of the drug, calcium supplements are classified as anti-allergic drugs. Vitamin C and calcium itself are good anti-allergic nutrients, which can reduce the monthly permeability and can reduce the edema and itching caused by allergic reactions. When the child is not sick, pay attention to supplementing to meet the lack of dietary intake to ensure the child’s growth needs; pay attention to supplementing when the child is cut off, these nutrients will help the body speed up recovery!

Here are some questions of related of hives or urticaria

1. What is hives ?

Hives is a red bump that grows on the surface of the skin and feels itchy. This article will outline the causes, symptoms and treatment of hives. Main point of hives is following.Read More.

2. What causes increased risk of urticaria ?

There are several risk factors for urticaria (urticaria), such as: Gender- Women have twice as much disease as men. The age-young adult is more at risk of getting the disease. Understand diagnosis and treatment The information given is not a substitute for any medical advice. Always consult your doctor for more information. Read More.


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