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how long after a bee sting can anaphylaxis develop

A 27-year-old member asked:
Dr. Michael Fisher
31 years experience Dermatology
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 ... Read More
Dr. Michael H. T. Sia
30 years experience Pediatrics
Anaphylaxis: Anaphylaxis may occur within sec to min. After bee sting and is usually rapid and life threatening. A bee sting may initially not cause a reaction. I ... Read More

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A 48-year-old member asked:
Dr. Brian Novick
42 years experience Allergy and Immunology
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 ... Read More
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Dr. Steven Machtinger
43 years experience Allergy and Immunology
Seconds to 2 hours: Generally the sooner the onset of symptoms the worse the reaction. So the ones that start within a minute or two after a sting turn out to be statisti ... Read More
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A 48-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Could be as: Fast as right away.
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A 38-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Possibly - very fast: It could occur right after with rapidly worsening symptoms.
A 48-year-old member asked:
Dr. Gutti Rao
Dr. Gutti Rao answered
45 years experience Hospital-based practice
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 ... Read More
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A 47-year-old member asked:
Dr. Jeffrey Rumbyrt
31 years experience Allergy and Immunology
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 wit ... Read More
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A 31-year-old member asked:
Dr. Brant Ward
12 years experience Allergy and Immunology
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 reactio ... Read More
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A 31-year-old member asked:
Dr. Michael Ekizian
A Verified Doctor answered
A US doctor answered Learn more
Rapid onset: Anaphylaxis is characterized by a defined exposure to a potential trigger, followed by rapid onset, evolution, and resolution of symptoms and signs wi ... Read More
A 37-year-old member asked:
Dr. Michael Zacharisen
32 years experience Allergy and Immunology
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 indivi ... Read More
A 36-year-old member asked:
Dr. Andrew Murphy
28 years experience Allergy and Immunology
Varies: The time from a sting until a patient has a systemic allergic reaction varies from very briskly to an hour or more.

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