Jul 05, 2023
Hives, also known as urticaria, are allergic reaction to the skin that results in itching wheals (welts). A chronic hive is a wheal that lasts longer than six weeks and frequently recurs over the course of months or years. Chronic hives frequently have unknown causes.
The welts frequently begin as irritating areas before swelling up to develop into different-sized welts. As the reaction progresses, these welts develop and disappear frequently.
In addition to making daily tasks and sleep difficult, chronic hives can be exceedingly unpleasant. Antihistamines, which treat itching, are helpful for many people.
Read this blog further to get a quick overview of this important topic for DERMATOLOGY to ace your NEET PG exam preparation.
Urticaria is classified into two types based on the duration.
Chronic hives symptoms include:
Symptoms that last longer than six weeks, return frequently, and sometimes last for months or years.
You are not suddenly in danger of a significant allergic reaction (anaphylaxis) if you have chronic hives. You should seek emergency attention if you do get severe allergic hives. Dizziness, difficulty breathing, and swelling of the tongue, lips, mouth, or throat are all signs of anaphylaxis.
Histamine and other immune system chemicals are released into the bloodstream during hives, which causes welts. Both the reasons why acute hives may turn into chronic problems and the causes of chronic hives are commonly unknown.
The following things could result in the cutaneous reaction:
Take the following preventative measures to lessen your risk of developing hives or angioedema:
Your healthcare professional will probably ask you about your symptoms and examine your skin to determine whether you have chronic hives. The fact that the welts appear and disappear at random is one of the telltale signs of persistent hives. You might be requested to keep a diary to document:
Blood tests can also be required to identify the source of your symptoms. Your treatment choices will be influenced by an appropriate diagnosis. Your doctor may use imaging tests if necessary to confirm the diagnosis.
Depending on the underlying reason and whether the problem is acute or chronic, the appropriate course of action will vary.
Home treatments typically work to relieve itching until the rash goes away or when symptoms are minor and appear after exposure to an allergen or irritant.
Among the choices a physician might advise following the Trusted Sources like:
Until their symptoms go away, a person with chronic urticaria may need to take antihistamines often.
An injectable medication called omalizumab (Xolair) inhibits immunoglobulin E, which is a factor in allergic reactions. It can ease the symptoms of persistent spontaneous urticaria, an unidentified cause of hives.
Severe discomfort, anguish, and possibly depression can result from persistent hives. Hives might sometimes become worse under stress, and having hives makes stress worse. Any person who believes that having hives is harming their quality of life or mental health should consult a physician.
The doctor will suggest therapy for any underlying diseases, such as lupus if testing shows them.
Some suggestions for preventing hives include:
An allergic reaction can be brought on by almost any food. Typical causes include:
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