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Doctor insights on: Blue Hive

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Dr. Austina Cho
3 doctors shared insights

Hives (Definition)

Also known as urticaria, hives are an outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). Hives vary in size, are itchy, can burn, and can last for up to ...Read more


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Itchy skin that's been coming on out of the blue, worse at night. Sometimes accompanied by rash/hives. Eczema runs in the family, could this be it?

Itchy skin that's been coming on out of the blue, worse at night. Sometimes accompanied by rash/hives. Eczema runs in the family, could this be it?

Possibly: This sounds like it could be eczema, especially since you have a family history. I would have it checked by your primary provider. There are multiple treatments available. ...Read more

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What is hive?

What is hive?

Raised, itchy skin: A raised, itchy area of skin that is rounded or flat-topped but is always elevated above the surrounding skin. It reflects local swelling of the skin. The hives are usually discrete, but my flow together and will blanch with pressure. Hives also may be called urticaria. ...Read more

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Can you break out in a single hive?

Can you break out in a single hive?

Maybe: You can have an isolated hive and it may come back somewhere else and usually these are benign and go away on their own without treatment. ...Read more

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Is it possible to have just one hive?

Yes: Hives can be highly variable with 1 to many lesions that wax and wane or coalesce. When an allergen contacts the skin like dog saliva, this can lead to a single hive in a dog allergic person. ...Read more

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How can someone determine if a hive is a physical hive?

How can someone determine if a hive is a physical hive?

Dermatographism: Usually appears in lines from scratching. Take a blunt but narrow object like the tail end of a pen and draw a line with very firm pressure on the inside of your forearm. For cold urticaria : Rest a bagged ice cube on your arm. Cholinergic urticaria are small bumps with surrounding redness and can be tested by immersing yourself in warm water like in a bath. ...Read more

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Why did i gwt a hive when i ate peanutbutter as an adult?

You may be allergic: It is possible to develop food allergies at any age. You should discuss this with your doctor and consider seeing an allergy specialist. Food allergies can get worse with future ingestions (or not...). ...Read more

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What should I do if I have a severe hive-like itch 24/7? What could be causing it?

What should I do if I have a severe hive-like itch 24/7? What could be causing it?

Acute Urticaria/Hive: Acute urticaria (hives) is common, affecting 20% of the population. Acute hives resolve within 6 weeks. Hives can become chronic if last more than 6 weeks. Common viral/bacterial infections can trigger an outbreak, however medications, foods, and stings can also cause acute hives but have the potential to lead to more serious complications. See Allergist if concerned. Can treat with antihistamines ...Read more