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What is the most serious allergic reaction?

What is the most serious allergic reaction?

Anaphylaxis is a severe, potentially life-threatening allergic reaction. It can occur within seconds or minutes of exposure to something you’re allergic to, such as peanuts or bee stings.

What are the worst things to be allergic to?

There are several types of food that can cause anaphylaxis, a life-threatening allergic reaction. Fish, nuts, cow’s milk, soy, tree nuts, wheat, shellfish, and eggs can all potentially lead to severe reactions. The severity of your reaction to these foods may depend on how much of them you ate.

What anaphylaxis feels like?

Coughing; wheezing; and pain, itching, or tightness in your chest. Fainting, dizziness, confusion, or weakness. Hives; a rash; and itchy, swollen, or red skin. Runny or stuffy nose and sneezing.

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What is a Type 1 hypersensitivity reaction?

Type I hypersensitivity is also known as an immediate reaction and involves immunoglobulin E (IgE) mediated release of antibodies against the soluble antigen. This results in mast cell degranulation and release of histamine and other inflammatory mediators.

What is a Type 2 hypersensitivity reaction?

Type II hypersensitivity reaction refers to an antibody-mediated immune reaction in which antibodies (IgG or IgM) are directed against cellular or extracellular matrix antigens with the resultant cellular destruction, functional loss, or damage to tissues.

Will Benadryl stop anaphylaxis?

An antihistamine pill, such as diphenhydramine (Benadryl), isn’t sufficient to treat anaphylaxis. These medications can help relieve allergy symptoms, but work too slowly in a severe reaction.

What is mild anaphylactic reaction?

Anaphylaxis symptoms occur suddenly and can progress quickly. The early symptoms may be mild, such as a runny nose, a skin rash or a “strange feeling.” These symptoms can quickly lead to more serious problems, including: Trouble breathing. Hives or swelling. Tightness of the throat.

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What is a Type 4 allergic reaction?

Type four hypersensitivity reaction is a cell-mediated reaction that can occur in response to contact with certain allergens resulting in what is called contact dermatitis or in response to some diagnostic procedures as in the tuberculin skin test. Certain allergens must be avoided to treat this condition.

What is a Type III hypersensitivity reaction?

In type III hypersensitivity reaction, an abnormal immune response is mediated by the formation of antigen-antibody aggregates called “immune complexes.” They can precipitate in various tissues such as skin, joints, vessels, or glomeruli, and trigger the classical complement pathway.

Who is the Green EpiPen for?

EpiPen® Junior (0.15mg – green label) is recommended for children 10-20kg (aged approximately 1-5 years).

What can I use if I don’t have an EpiPen?

Alternative brands to consider include:

  • AUVI-Q®. Available through a mail-order pharmacy, this brand offers adult, child and infant doses.
  • Adrenaclick. This device may cost slightly less than the EpiPen, but you have to order a trainer device separately, she says.
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What to do when you have an allergic reaction?

Do not attempt to treat or “wait out” severe reactions at home. Go immediately to a hospital emergency department.

  • Call an ambulance for emergency medical transport.
  • Use an epinephrine auto-injector (Epi-Pen,Auvi-Q) if one has been prescribed by a doctor due to previous allergic reactions (see “prevention” below).
  • What are the signs of a severe allergic reaction?

    Skin: irritation,redness,itching,swelling,blistering,weeping,crusting,rash,eruptions,or hives (itchy bumps or welts)

  • Lungs: wheezing,tightness,cough,or shortness of breath
  • Head: swelling or bumps on the face and neck,eyelids,lips,tongue,or throat,hoarseness of voice,headaches
  • What happens in my body when I have an allergy?

    Hives and itching all over

  • Wheezing or shortness of breath
  • Hoarseness or tightness in the throat
  • Swelling of the face,eyelids,lips,tongue,or throat
  • Tingling in the hands,feet,lips,or scalp
  • How to treat an allergic reaction?

    Most minor allergy symptoms can be treated with antihistamines,corticosteroids,or decongestants.

  • Saline nasal rinses can be used for congestion-related allergy symptoms.
  • Corticosteroid creams can treat skin rashes related to allergies.
  • Immunotherapy is a long-term treatment option for chronic allergy symptoms.