urticaria symptoms

Written by Xie Ming Feng

Dermatology

Updated on September 22, 2024

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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 Qu Jing

Dermatology

1min 11sec

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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 Zhu Zhu

Dermatology

37sec

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Is measles urticaria?

Measles is not urticaria, and there is quite a significant difference between them. Measles is a skin disease caused by a viral infection and is contagious, with the virus being the measles virus. In contrast, urticaria is an allergic condition that can be triggered by many different causes, varying widely depending on what different individuals are allergic to. Furthermore, the treatment for measles typically involves antiviral and symptomatic approaches, whereas the treatment for urticaria generally entails the use of anti-allergy methods.

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Written by Liu Gang

Dermatology

52sec

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What is the fastest way to relieve itching from hives?

Urticaria is a type of allergic disease that generally causes large areas of hives to appear rapidly all over the body, accompanied by severe itching. A quick method to relieve itching is the topical application of calamine lotion extensively and taking oral antihistamines, such as loratadine tablets. In cases of acute flare-ups, it may be appropriate to use hormone-based medications, such as dexamethasone injection, administered intravenously or through infusion, as these act quickly. For chronic urticaria treatment, it is generally advised against the use of hormones; standard oral antihistamines should suffice. Urticaria tends to recur; therefore, it's important to maintain a controlled diet and lifestyle habits. Foods and substances to avoid include chili peppers, mutton, seafood, and alcohol.

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Written by Xie Ming Feng

Dermatology

25sec

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How should hives be treated?

Urticaria is divided into acute and chronic types. Antihistamines are the first choice of treatment for acute urticaria. If the condition is severe and antihistamines are ineffective, corticosteroids can be used to control the condition. The fundamental treatment for chronic urticaria is to remove the cause, and specific medications should be used under the guidance of a doctor.

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Written by Zhu Zhu

Dermatology

33sec

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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.