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Doctor insights on: How Long After A Bee Sting Can Anaphylaxis Develop

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How long after a bee sting can anaphylaxis develop?

How long after a bee sting can anaphylaxis develop?

Anaphylaxis: The relative timeframe for anaphylaxis to occur after exposure to a particular allergen or antigen can vary from seconds to hours. It could take from 30 minutes to an hour before the problem develops. As a general rule, the sooner the symptoms of anaphylaxis appear after exposure then the more severe the reaction is likely to be. Those symptoms relating to the surface of the skin may be the first. ...Read more

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Dr. Kristin Sokol
187 Doctors shared insights

Anaphylactic Shock (Definition)

Anaphylaxis is a severe, whole-body allergic reaction to a chemical that has become an allergen. After being exposed to a substance such as bee sting venom, the person's immune system becomes sensitized to it. When the person is exposed to that allergen again, an allergic reaction may occur. Anaphylaxis happens quickly after the exposure, is severe, and ...Read more


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How long after a bee sting does anaphylaxis occur?

How long after a bee sting does anaphylaxis occur?

Short time: Usually within minutes to under an hour. Rarely severe symptoms can occur two hours or so later. If you have had serious symptoms after a sting in the past see an allergist asap. There is good testing and a treatment that can essentially " cure" you. Don't hesitate. ...Read more

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How long after one bee sting can anaphylaxis still occur, after the initial bee sting?

90% in 4 hours: The so called biphasic anaphylaxis is where the symptoms recur after having been treated initially. So the patient is treated appropriately initially, but the anaphylaxis comes back. Biphasic anaphylaxis is more common if the initial therapy is delayed or if the initial presentation is more severe. For this reason the patient may be observed in the er for 4 hours in some cases. ...Read more

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How long does it take to go into anaphylactic shock from a bee sting on your leg?

Immediate to late: Most often it is immediate to have an anaphylactic reaction sometimes it may take a few minutes. It all depends on how quickly the 'venom' or chemical mediators are released. ...Read more

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How long does anaphylactic shock occur after bee stings?

Can be immediate: Anaphylaxis to bee stings is a rapid onset, severe, and potentially life threatening reaction due to an allergy to the bee venom. It often occurs within minutes of a sting. Because this is life threatening, people with bee sting allergy should be tested by an allergist, carry an Epinephrine pen, and possibly be put on allergy injections to bee venom. ...Read more

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When after a bee sting can anaphylaxis occur?

Minutes usually: Reactions to insect stings and foods typically occur within minutes to an hour or so after the actual exposure (sting or eating the food). For reactions that happen many hours or days later, it is very unlikely that it was caused by exposure to that allergen. See an allergist if you have additional questions or concerns. ...Read more

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Can a bee sting near the brain (eg, temple) increase chances of anaphylaxis through the future?

Head stings: Head and neck stings from bees, yellow jackets, hornets, wasps etc have a tendency to be more severe. However, a sting anywhere in a sensitized individual can result in anaphylaxis. ...Read more

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What is the time frame for a person to go into anaphylactic shock after a bee sting?

What is the time frame for a person to go into anaphylactic shock after a bee sting?

Varies: The time from a sting until a patient has a systemic allergic reaction varies from very briskly to an hour or more. ...Read more

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What is involved with desensitization therapy when one's reaction to bee stings is anaphylaxis?

Venom allergy shots: Venom immunotherapy (venom shots) is recommended for patients with systemic reactions such as anaphylaxis to stinging insects. Once testing has determined which stinging insects someone is allergic to, gradually increasing doses of venom are injected in the allergists office according to varying schedules. Once the maintenance dosage is reached injections are generally given every 4 to 8 weeks. ...Read more

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Will my 4 yr old daughter likely be allergic to bee stings if her mother has anaphylaxis to bee stings? She gets a rash with amoxil (amoxicillin).

Bee sting: No your daughter is not more likely to have a severe allergic reaction to bee stings. There is rash associated with Amoxicillin called the Amoxicillin rash. It is a rough or bumpy rash sometimes described as feeling like sand paper. It is not an allergic reaction to amoxicillin. If daughter rash to Amoxicillin was of this type she is not likely allergic to amoxicillin. ...Read more

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Can an anaphylactic reaction occur days after the allergens? For example a bee sting?

Can an anaphylactic reaction occur days after the allergens? For example a bee sting?

No: Anaphylaxis means a severe or life threatening allergic reaction. Regardless, an allergic reaction to a bee sting would happen within seconds. Minutes tops. There may be mild or no reaction to the first sting, but you can become sensitized so that a second sting can cause a severe reaction. If you swallow an allergen the reaction may be delayed several hours max for a type 1 hypersensitivity rxn. ...Read more

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How long will the pain after a bee sting typically last?

How long will the pain after a bee sting typically last?

A few hours: Typical reaction to bee sting involves a local reaction. Manifests as redness and painful swelling around the site of the sting that usually develops within minutes and resolves within a few hours. In some cases swelling may last 1-2 days. Uncomplicated local reactions may be treated with cold compresses, NSAIDs for pain, and nonsedating antihistamines for itching. Consult Allergist if more severe ...Read more

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How long to observe a bee sting for allergy?

How long to observe a bee sting for allergy?

Hour or two: Serious allergy reactions to bee sting typically happen within the first few minutes to an hour or two. ...Read more

Stings (Definition)

Stings can come from different sources. Insect stings such as a honey bee is one of the most familiar. Sting by fish in water is another common experience many of ...Read more


Dr. Gary Sandler
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Severe Allergic Reaction (Anaphylactic Shock) (Definition)

A severe, potentially life-threatening allergic reaction. ...Read more