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Doctor insights on: My Hives Last For About 3 Weeks

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I went into anaphylaxis shock three weeks ago every time I try to eat I break of in hives how long does this last?

I went into anaphylaxis shock three weeks ago every time I try to eat I break of in hives how long does this last?

Anaphylaxis: After an episode of anaphylaxis, you definitely must see an allergy specialist. You sound as if you may have a food allergy, in which case you will continue having reactions as long as you continue to eat the food causing problems. Usually it is only one main food, or a couple, that are to blame. If you had anaphylaxis once, you can have it again! Get an Epipen (epinephrine) and see an allergist soon. ...Read more

Dr. Sandra Eleczko
3 Doctors shared insights

Hives (Definition)

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 ...Read more


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How long do hives last?

How long do hives last?

Varies: Sometimes hours....Sometimes months. It varies depending on the cause. ...Read more

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Do hives normally last a long time?

Do hives normally last a long time?

Off and on: In the vast majority of cases they disappear within a few days or weeks. During that time it will come and go and move around the body. Each hive should appear and disappear rapidly (less than 24 hours). If the hive-like rash is fixed and doesn't move around or leaves scars, it's not typical hives and should be examined by a doctor. A few people will have hives for a very long time, up to years. ...Read more

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For what length of time can hives last?

For what length of time can hives last?

How long hives last: It depends on what is causing them. If it is a food/medication, they usually stop after allergen is out of your system, 1-2 wks. There is many different causes of hives. People who have autoimmune urticaria (hives) can have it for a lifetime. Usually if hives last for more than 6 weeks, they are considered chronic and a workup is done to determine cause. Unfortunately cause is not always found. ...Read more

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Could hives really last for more than one week?

Could hives really last for more than one week?

Acute Urticaria/Hive: Acute urticaria (hives) is common, affecting 20% of the population. Acute hives resolve within 6 weeks (most patients fit into this category). 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 ...Read more

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Does hives really last for more than one week in some people?

Does hives really last for more than one week in some people?

Depends on cause: Most commonly hives are short lived, but sometimes hives can last a long time and be resistant to treatment. There is an entity called cholinergic urticaria, which are hives from stress, emotional states, heat, and sometimes unknown causes. That can be very tough to treat sometimes and keeps reoccurring. Talk to your doctor, maybe an allergist, if your having hives for a long time. ...Read more

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What is the oitment for hives...i been suffer for 3 weeks hives how long it be last??

None: For hives, oral antihistamine up to 4 x daily would be more effective. Some times the hives may be so severe that you will need to see your doctor. ...Read more

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Hives appear out of nowhere, even when my diet hasn't changed nor the have I products I use. They last no more than 24hrs. What could cause this?

Uncertain: When hives appear "out of nowhere", it's a challenge to figure out the cause. OTC & Rx medications are s0metimes the culprit. Regardless of the cause, it's wise to take an anti-histamine to control the itching and prevent worsening. If you ever get swelling of your lips, mouth or throat or you notice wheezing, seek IMMEDIATE medical care. Consider seeing an allergist for skin testing. ...Read more

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Took FerrousSulfate last June for a week develop hives. After noticing I stopped it. And now still suffering with come and go hives. What could dis be?

Multiple...: There are multiple possible agents that can cause allergy symptoms. Maybe iron was one of them but perhaps there are others that might be triggering symptoms. My best advice I to see a specialist in Allergy and Immunology for testing and treatment. ...Read more

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How long do hives from pet dander last?

How long do hives from pet dander last?

Unusual: It is unusual to get hives from pet danger but nonetheless it can happen when one is very highly allergic. With a single exposure, most people should recover in 1-8 hours. However if your clothing or hair has been contaminated with the dander, the reaction may return until you have them cleaned. ...Read more

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How long to hives typically last in a toddler?

Hives: They can last18-24 hours, but new outcroppings can continue indefinitely. ...Read more

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Docs, usually how long is normal for hives to last?

Length of hives vary: There is no "normal" length of time that hives may last. "acute" hives may last from a few minutes to hours to up to one month. Hives that last more than a month are considered "chronic. ". ...Read more

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How long do acute hives last if more keep popping up?

How long do acute hives last if more keep popping up?

Extremely variable: Some people may have rapid resolution if the cause is addressed. Other people might have hives for hours to days. ...Read more

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For the last year, I have been randomly breaking out in hives?

For the last year, I have been randomly breaking out in hives?

Hives: There are different causes for chronic hives, also known as chronic urticaria. Some people have physical triggers such as heat, cold, vibration. For some it is due to an allergy. For others, there could be an underlying health condition or an autoimmune process. An allergist/immunologist can assist you with delineating the cause and prescribing the appropriate treatment. ...Read more

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Is it possible for hives to last a few days? I'm extremely stressed.

Yes: Acute hives can last days up to 6 weeks. If hives last longer than 6 weeks it is called chronic hives. Sometimes chronic hives will last years or even decades. While hives are itchy, they are not dangerous or contagious! stress may aggravate hives.... ...Read more

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I have hives for last 10-12 years. Any permanent solution for chronic hives?

I have hives for last 10-12 years. Any permanent solution for chronic hives?

Yes and no: Hives are one of the most difficult skin eruptions to determine the source of.
The only permanent way to "cure" hives is to treat the underlying cause. Hives are labeled as either acute (less than 6 weeks) or chronic (more than 6 weeks). The longer hives are present the less likely it is to identify the cause which are epic in numbers.
Read about Xolair and hive treatment. Just FDA approved. ...Read more

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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. ...Read more

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I had streriod shot last Thursday for my hives how long does it take to. Work?

See a dermatologist: A steroid shot is not a treatment of choice for hives. Due to blood transfusion? Was it really necessary? Do you really have hives, or something else? How long have you had this? Ever before? Using antihistamine? Which one at which dose? Why estrogen AND Premarin (conjugated estrogens) AND Provera??? No wonder you are bleeding. ...Read more

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I have hives on my skin for 3 weeks, when will they go? How long do they usually last?

Difficult to answer: Hives are usually self-limited and go away by the 6 week mark; however, some cases become chronic and can last a lot longer. ...Read more

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How long do my daughter hives stay. They went down last night but came back tonight why?

May come and go...: Hives may come and go for weeks. It also depends on what caused them in the first place and whether the offending agent has been removed from her environment (ie, her diet, what she wears...). Once you develop an allergic reaction that causes the body to react, histamine, a chemical is released, and causes the hives. This reaction can go on for weeks. ...Read more

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Is there anything to take to lower the increase of patches of hives in a 3 year old. And, how long do hives last.?

Is there anything to take to lower the increase of patches of hives in a 3 year old. And, how long do hives last.?

Read on: Of course try to figure out the cause of the hives or they will constantly recur. U can give benadryl, (diphenhydramine) call ur dr for the dosage, or u can give some of the once a day antihistamines as Benadryl (diphenhydramine) can make them tired. Hives can last about three to five days possibly longer but consult ur dr if much longer especially if u can't figure out the reason for them. ...Read more

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My daughter broke out in hives last night. They went away this morning, but came back up again when I put a sweater on her. Can they do that? Also ho

My daughter broke out in hives last night. They went away this morning, but came back up again when I put a sweater on her. Can they do that? Also ho

May come and go...: Hives may come and go for weeks. It also depends on what caused them in the first place and whether the offending agent has been removed from her environment (ie, her diet, what she wears...). Once you develop an allergic reaction that causes the body to react, histamine, a chemical is released, and causes the hives. This reaction can go on for weeks. ...Read more

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How long do itchy hives last?

Unpredictable: Unfortunately this is one of the most difficult if not impossible questions to answer. For hives as a result of a food allergy they should only last a day or 2 as long as the food is not continued.
The problem comes in when the underlying source is not clear. Arbitrarily after 6 weeks hives are labeled chronic. The short answer is hives can last minutes to a lifetime. ...Read more

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What to do if I have rashes for years, hives in last year.?

What to do if I have rashes for years, hives in last year.?

See an allergist: Chronic hives, or urticaria needs evaluation, check aaaai. Org or acaai. Org for an allergist in your area, good luck ...Read more

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Does HIV cause hives to appear and if so how long do they last?

Virus induced hives?: Good morning,
hives result from release of histamine and other mediators (compounds) due to immune system being challenged such as an allergic reaction. Many viral infections are associated with hives. Hiv is a virus. In addition, HIV is known to affect immune regulation. The duration of hives after a viral infection can last from months to years. ...Read more

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Broke out in hives over my entire body last night. What is an immediate treatment for it?

Acute hives: Please call 911 if you have any problems breathing, nausea, or vomiting since those indicate a more severe illness that require immediate medical attention. If you don't have any of those, why don't you try taking otc zyrtec (cetirizine) once to twice a day and make an appointment to see a doctor. ...Read more