Anaphylaxis after a bee sting usually starts within minutes, most commonly within 20 minutes to two hours, but can occasionally be delayed up to several hours. The reaction progresses rapidly, involving multiple body systems, and requires immediate emergency treatment with epinephrine (adrenaline) and calling for medical help (like 911).
Anaphylactic reactions include swelling of the mouth or throat, shortness of breath, difficulty in swallowing, and shock. These types of reactions typically occur within minutes or even seconds of being stung and are very rare. It is estimated that less than 1% of the population will have an anaphylactic reaction.
The most common causes of anaphylaxis are food allergies, insect stings, medications, and latex. Typically, symptoms begin within 5 to 30 minutes after contact with the allergen, but symptoms can start more than an hour later and sometimes a second wave of symptoms can occur hours or days after the initial symptoms.
Allergic reactions after insect stings may have a delayed onset, differing from the usual immediate anaphylactic pattern. Ten patients, aged 6 to 78 years, had allergic reactions 1 to 2 weeks after an insect sting.
Signs and symptoms include a rapid, weak pulse; a skin rash; and nausea and vomiting.
Symptoms of an allergic reaction may include one or more of the following: Hives, itching and swelling in areas other than the sting site. Abdominal cramping, vomiting, intense nausea or diarrhea.
Think of a "rule of 2s" for anaphylaxis, which implies that reactions usually begin within 2 minutes to 2 hours after injection, infusion, ingestion, contact, or inhalation.
The "3-day rule" for allergens means introducing one new allergenic food at a time and waiting 3 to 5 days before introducing another, allowing parents to easily pinpoint which food caused a reaction, though some experts suggest a shorter wait (2-3 days) or even daily introduction for non-high-risk infants, while emphasizing introducing common allergens like peanut, egg, dairy, soy, wheat, tree nuts, and fish early (around 6 months) and regularly (2-3 times a week) to build tolerance and prevent allergies, always starting with tiny amounts and monitoring for signs like hives, swelling, or breathing issues.
Stage one: Mild anaphylaxis is the first stage and can cause symptoms like skin rash or redness, itching or hives. Stage two: Moderate anaphylaxis happens when a person has more widespread and extensive symptoms like skin rash and hives that are spreading or mild swelling in their lips or tongue.
Bee venom typically leaves your system within a few hours to a day. The body gradually breaks it down, but the symptoms, like pain or swelling, may last longer depending on the severity of the sting.
If you're with someone having an allergic reaction with signs of anaphylaxis, call 911 or your local medical emergency number right away. Don't wait to see whether symptoms get better. Seek emergency treatment right away. Severe untreated anaphylaxis can lead to death within half an hour.
Anaphylaxis is a severe, life-threatening, generalized or systemic rapid-onset hypersensitivity reaction (allergic or nonallergic). Anaphylactic shock is a severe rapidly progressing anaphylactic reaction (anaphylaxis) resulting in a life-threatening drop in blood pressure.
Symptoms of anaphylaxis
Symptoms include: swelling of your throat and tongue. difficulty breathing or breathing very fast. difficulty swallowing, tightness in your throat or a hoarse voice.
Diseases that mimic anaphylaxis
The four stages of anaphylactic shock include (1) sensitization and initial exposure, (2) early allergic reaction, (3) systemic reaction, and (4) anaphylactic shock and organ failure.
Most severe allergic reactions occur within seconds or minutes after exposure to the allergen. Some reactions can occur after several hours. In very rare cases, reactions develop after 24 hours. Anaphylaxis is a sudden and severe allergic reaction that occurs within minutes or hours of exposure.
The eight foods responsible for about 90% of food allergies are milk, eggs, peanuts, tree nuts, fish, shellfish, soy, and wheat. A ninth allergen, sesame, was recently added to this list in the U.S., making it the "Big 9" due to its prevalence and the severe reactions it causes.
The amount of pollen in the air changes according to the season and where you live. For example, pollen counts can be very high in October and November in Melbourne and Hobart, and in the spring and summer in Adelaide, Sydney and Canberra. Brisbane and Darwin have high pollen for most of the year.
Taylor Swift has severe food allergies to peanuts, tree nuts, eggs, dairy, and peas, which significantly impacts her dining and event planning, requiring extreme caution with food preparation and cross-contamination, a reality friends like Lorde have compared to managing an autoimmune condition. She emphasizes awareness and has shared her need for vigilance, from ensuring restaurants use clean utensils to avoiding contaminated granola bars, to keep her safe from potentially life-threatening reactions.
Epinephrine (adrenaline) to reduce the body's allergic response. Oxygen, to help you breathe. Intravenous (IV) antihistamines and cortisone to reduce inflammation of the air passages and improve breathing. A beta-agonist (such as albuterol) to relieve breathing symptoms.
A second anaphylactic reaction, known as a biphasic reaction, can occur as long as 12-24 hours after the initial reaction. Unfortunately, reaction severity is unpredictable. Even if someone has only had mild reactions in the past, they may still be at risk for anaphylaxis.
The signs and symptoms are identical to those of systemic reactions. Fatal toxic reactions from Africanized honeybees are not uncommon. Delayed reactions usually present as progressive swelling and redness at the sting site but may be followed by flu-like symptoms 8 to 24 hours after the sting.
Baking Soda. Baking soda, when mixed with water, is said to help neutralize bee venom, reducing pain, itching, and swelling. Mix baking soda with enough water to make a paste, then apply a generous amount onto the affected area. Cover the area with a bandage, then leave it on for at least 15 minutes.
When to see a doctor. Call 911 or seek immediate care for: A severe reaction to a bee sting that suggests anaphylaxis, even if it's just one or two symptoms. If you were prescribed emergency epinephrine that you inject yourself (EpiPen, Auvi-Q, others), use it right away as your healthcare professional directed.
Understand the 3 A's (Awareness, Avoidance and Action) and receive annual Anaphylaxis Training. Review all emergency procedures and be sure the teacher can recognize symptoms and knows when and how to administer medications.