Is urticaria contagious?

Written by Zhu Zhu
Dermatology
Updated on September 05, 2024
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Urticaria is not contagious. Urticaria is often associated with multiple factors such as infections, food and drug allergies, insect bites, and also related to genetics, climate, and environment. If urticaria occurs, it is advisable to promptly identify the allergen and avoid further contact with it to prevent the occurrence of urticaria. Urticaria is not infectious, but it is curable and recurrent.

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Symptoms of postpartum urticaria

Postpartum hives are mainly characterized by subjective itching symptoms on the skin. On the surface of the skin, you can see patches of varying sizes with a reddish color, some of which may also feel burning. Generally, this can occur within the first few hours and then quickly subside, but it is prone to recurrent outbreaks. Additionally, some patients may experience gastrointestinal reactions, such as nausea, vomiting, abdominal pain, diarrhea, and can even cause palpitations and difficulty breathing. When hives are detected, it is advisable to go to the hospital in a timely manner, and ask professional doctors to actively carry out examinations and treatments.

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What medicine is used for urticaria?

Urticaria primarily uses second-generation antihistamines as the first choice, and topical treatments that soothe and relieve itching can be used as appropriate. Traditional Chinese medicine often treats it with herbal decoctions based on syndrome differentiation, and specific medications should be used under the guidance of a doctor.

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Do children with urticaria feel itchy?

Children's urticaria generally causes itching. It occurs when children come into contact with foods, medications, or other allergenic substances, leading to scattered or widespread red rashes. The rash may appear as wheals or might be maculopapular or urticarial in nature, generally accompanied by rashes and itching. If a child develops urticaria, topical medications can be applied, providing relief from itching and allergic reactions.

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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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The difference between papular urticaria and urticaria

Papular urticaria is an allergic reaction caused by direct contact with irritants or insect bites such as mosquitoes. The cause of the disease is relatively accurate, and treatment typically involves disinfecting clothes, bed sheets, and duvet covers by exposing them to sunlight, avoiding contact with small animals, and common antiallergic medications can cure it quickly. The causes of common urticaria are more complex and often unclear; identifying the allergens usually requires allergy tests in hospitals, and the treatment is more complicated than that for papular urticaria. Common antiallergic drugs can cure it in the short term. However, some cases of urticaria that enter a chronic phase can be very troublesome to treat, with lengthy treatment times and poor outcomes.