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Doctor insights on: Hives

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Dr. Sewa Legha
3 Doctors shared insights

Hives (Overview)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to one day or longer.


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What are the symptoms of hives?

What are the symptoms of hives?

Itching and rash: Hives are a red raised rash often described as welts. Itching is often very intense. Hives are usually warm to the touch and feel "puffy".

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Dr. Sewa Legha
3 Doctors shared insights

Hives (Overview)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to one day or longer.


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What are good treatments for hives like allergic reaction?

What are good treatments for hives like allergic reaction?

Antihistamine: An antihistamine such as Diphenhydramine (benadryl) can help with symptoms. Hives can come and go for several days. I usually recommend using a once daily antihistamine such as claritin, zyrtec, or allegra, and using the Benadryl (diphenhydramine) when the hives break through. I will sometimes add h2 blocker such as zantac or pepcid, which also act as antihistamines.

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What are the possible complications due to hives?

What are the possible complications due to hives?

Not much: There are usually not many complications from hives outside of the psychological distress.

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I've been breaking out in hives for about 2 months now, and its been happening constantly. No other symptom but the hives. What could this b.

I've been breaking out in hives for about 2 months now, and its been happening constantly. No other symptom but the hives. What could this b.

Chronic hives: Hives (urticaria) that have been present for over 2 months typically fall into 3 categories. 1. Chronic autoimmune-body is reacting against itself; blood test available 2. Chronic idiopathic-we don't know why 3. Physical urticaria; many triggers such as heat, cold, dermagraphism. Anxiety can make hives worse, but don't assume it is just nerves. Allergies are a more frequent cause of acute hives.

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How long does hives last that are all over body as a reaction to penicillin?

How long does hives last that are all over body as a reaction to penicillin?

Days to weeks: Usually they resolve in a few days. In rare instances hives from antibiotics may take several months to resolve.

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I've been breaking out in hives for about 2 months now, and its been happening constantly. No other symptom but the hives. What could this b.

Chronic hives: Hives (urticaria) that have been present for over 2 months typically fall into 3 categories. 1. Chronic autoimmune-body is reacting against itself; blood test available 2. Chronic idiopathic-we don't know why 3. Physical urticaria; many triggers such as heat, cold, dermagraphism. Anxiety can make hives worse, but don't assume it is just nerves. Allergies are a more frequent cause of acute hives.

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I have HSV 2 for 8 years recently my outbreaks have gotten frequent I also have more new symptoms hives and flu?

I have HSV 2 for 8 years recently my outbreaks have gotten frequent I also have more new symptoms hives and flu?

HSV 2: If your hsv outbreaks and associated symptoms are changing, sounds like you need to see your doctor. Pills to reduce or control your hsv outbreaks may be a big help to you.

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I have had hives for several years now and no one can give me a diagnosis. What could it be? I'm not allergic to any foods

I have had hives for several years now and no one can give me a diagnosis. What could it be? I'm not allergic to any foods

Autoimmune Urticaria: About 50% of chronic hives are caused by autoimmune antibodies. No cure. But use high dose antihistamines to prevent hives.

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I have been diagnosed with chronic hives and angeodema for 6 years. Allso have this mysterious rash that stats offf as a welt then becomes blisters.

I have been diagnosed with chronic hives and angeodema for 6 years. Allso have this mysterious rash that stats offf as a welt then becomes blisters.

May be other issue: Chronic hives and swelling are annoying. As you know....But they usually don't cause blisters. Take some pix and see your dr.

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What is the mediine for hives?

What is the mediine for hives?

Antihistamines: Hives can be treated with otc antihistamines like benadryl, (diphenhydramine) zyrtec. They tend to resolve once the trigger has abated. Anything prolonged >3 days must be examined by a medical professional.

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How can I test for hives?

Dr can examine, test: To evaluate urticaria (hives) that come more than one time, a doctor can first examine and talk with the patient. Then blood tests can be done, to check for abnormalities in the blood, as well as for antibodies to foods or other possible allergens causing the urticaria. At an allergist's office, skin tests can be done to look for reactions to possible allergens causing the hives.

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How do you know the difference between acute hives and chronic hives?

How do you know the difference between acute hives and chronic hives?

6 weeks: If hives occur daily for 6 weeks, they are chronic. If the frequency or duration is less than that are still considered "acute".

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What causes hives?

What causes hives?

Many causes: There are many causes of hives and these include infections, medications, bee/wasp stings, food allergies, environmental allergies, stress, cold temperatures, and exercise amongst other rarer causes. Oftentimes, hives are idiopathic, meaning there is no known cause. For further evaluation and management, consultation with a board-certified allergist is recommended for evaluation and management.

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What does it mean to have hives with high neutrophils low lymphosites high abs neut low abs lymph high WBC high ALT and ast?

What does it mean to have hives with high neutrophils low lymphosites high abs neut low abs lymph high WBC high ALT and ast?

Possible hepatitis: There are many causes of hives. Allergic reactions are the most common. Persistent hives might be from a medication, or an environmental allergen, for example. Infections can cause hives. The abnormal alt and ast can be a sign of viral hepatitis. Sometimes hepatitis will cause hives, especially in the early phase, before jaundice sets in. Chronic hives (more than 6 weeks) is more complex.

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Is there a natural way to treat hives?

Is there a natural way to treat hives?

Oral antihistamines: Hives are a result of excessive histamine release. They can be induced by specific allergic reaction, avoiding the causative agent is key to relieving symptoms. However, majority of cases do not have specific triggers. We suppress symptoms with oral antihistamines such as zyrtec, claritin, (loratadine) and allegra, etc... It is also important to avoid Aspirin and Ibuprofen products which worsens hives.

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How are hives treated if itchy?

How are hives treated if itchy?

Itchy hives: The itching associated with hives is usually responsive to at least some extent to oral antihistamines, but often require higher than standard doses.

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Is sulfasalazine effective in treating hives/allergies?

Is sulfasalazine effective in treating hives/allergies?

Yes, but...: Urticaria (hives) are often due to a food or medication reaction when acute & are usually easily managed with antihistamines. When hives do not respond to antihistamines or become chronic, anti-inflammatory medicines are often used. First-line treatment is usually with corticosteroids, but when hives persist, other anti-inflammatory agents including sulfasalazine have been used with some success.

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Please suggest a cure/treatment for hives.

Usually but depends: Hives are usually annoying and not serious but often a mystery... The cause not always figured out. Treatment depends on many factors that an allergist would determine during a consultation. Hard to be more specific here.

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