Is artificial urticaria contagious?

Written by Liu Gang
Dermatology
Updated on September 02, 2024
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Artificial urticaria is a disease caused by allergies, and it is one of the more difficult types of urticaria to treat. This disease is not contagious and will not spread through contact with others. Once diagnosed with this disease, formal treatment is necessary, and one can visit the dermatology department of a standard hospital for oral antiallergic medication treatment. If the condition persists for a long time and the treatment effects are unsatisfactory, it might be helpful to check for allergens to ascertain what triggers the allergy. Common allergens often include diet, living environment, dust mites, or pollen. Therefore, during and after treatment, it is advisable to enhance physical exercise to boost immunity, avoid keeping pets, stay away from places with dense vegetation, and refrain from consuming spicy and stimulating foods.

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Written by Liu Gang
Dermatology
52sec home-news-image

Characteristics of papular urticaria

Papular urticaria is a type of allergic reaction, generally associated with contact with irritants, or bites from mosquitoes and fleas. The likelihood of occurrence increases if small animals are kept at home. Typically, small red papules or red wheals appear on localized areas of the body or extensively, with a transparent blister on top. The itching is quite severe, and the blisters are prone to bursting when scratched. Once symptoms appear, it is crucial to treat them with proper medication, and care should be taken to prevent infection if the blisters are scratched open. To prevent recurrence, it is advisable not to keep small animals at home, to frequently disinfect clothes, sheets, and duvet covers by exposing them to sunlight to eliminate mites or fleas, and to maintain a standard diet and lifestyle habits.

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Written by Qu Jing
Dermatology
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How is urticaria best treated?

Urticaria, commonly known as hives, occurs when there is a localized swelling due to temporary increased vascular permeability of the skin and mucous membranes. It can be divided into acute urticaria and chronic urticaria. Acute urticaria often has a sudden onset. Chronic urticaria is characterized by recurrent skin lesions for more than six weeks, with episodes occurring at least twice a week, termed as chronic urticaria. The preferred treatment for acute urticaria is the use of second-generation H1 receptor antagonists with a strong sedative effect. The combination of vitamin C and calcium supplements can reduce vascular permeability and have a synergistic effect with antihistamines. For chronic urticaria, the treatment of choice is also second-generation H1 receptor antagonists. When one medication is ineffective, two to three drugs may be combined or alternated. It is also recommended to combine Chinese medicine to adjust the overall physical condition while gradually reducing the dosage of Western medicine to control the condition.

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Written by Xie Ming Feng
Dermatology
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urticaria symptoms

Acute urticaria manifests as sudden severe itching of the skin, quickly followed by hives of various sizes. In severe cases, symptoms can include palpitations, restlessness, nausea, vomiting, and other signs of anaphylactic shock. Chronic urticaria is characterized by recurrent outbreaks of hives, often lasting for several months or years.

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Written by Zhu Zhu
Dermatology
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Measles and Urticaria Distinction

Measles and hives have significant differences. Firstly, hives are an allergic disease and are not contagious, whereas measles is a viral infectious disease that can be spread through contact. Secondly, the treatment for hives mainly involves antiallergics, while the treatment for measles mainly includes symptomatic and antiviral therapies. However, regardless of whether it is measles or hives, it is necessary to seek medical attention promptly after onset.

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Written by Du Rui Xia
Obstetrics
1min 9sec home-news-image

Is postpartum urticaria contagious?

Postpartum urticaria is not contagious. The occurrence of urticaria is mainly an allergic reaction to various factors such as certain foods, medications, plants, or infections. Clinically, it mainly manifests as dilation and increased permeability of small blood vessels in the skin and mucosa, resulting in skin rashes and redness. However, this condition is related to a decrease in the body's immune strength, making postpartum urticaria more likely to occur after childbirth. Postpartum urticaria has a certain hereditary nature. When postpartum urticaria occurs, one should not scratch it to prevent breaking the skin and causing secondary infections. Avoid using irritating liquids for cleansing or hot water for washing. When itching occurs, topical antipruritic agents can be applied. It is advisable to eat fresh vegetables and fruits in daily life and avoid spicy and irritating foods.