Linked from

The 40 pages that link to Anaphylaxis, each with the reason it gives.

• HistamineBroader topic: Widespread histamine release contributes to vasodilation, swelling, and airway symptoms.

• Food allergyBroader topic: It is the most dangerous possible presentation of food allergy.

• AllergyBroader topic: This is the dangerous extreme of an immediate allergic reaction.

• AmoxicillinRelated: Rare immediate reactions to amoxicillin can become life-threatening and require emergency treatment.

• Mast cellBroader topic: Widespread mast-cell mediator release is a major driver of this emergency.

• First aidRelated: An adrenaline auto-injector and urgent medical help may be needed without delay.

• UrticariaRelated: Wheals can accompany anaphylaxis, but skin findings alone do not define it.

• IbuprofenRelated: Rare severe hypersensitivity reactions can occur with ibuprofen and require immediate emergency treatment.

• AngioedemaRelated: Angioedema of the tongue or throat can accompany anaphylaxis and signal an airway emergency.

• EpinephrineRelated: Epinephrine is the first-line medicine for treating this emergency.

• Intramuscular injectionRelated: An injected medicine can trigger this emergency reaction, though it is uncommon.

• HydrocortisoneRelated: Hydrocortisone may be used as an adjunct, but it does not replace immediate epinephrine.

• Immunoglobulin EBroader topic: Widespread mediator release, often involving IgE, can produce this severe reaction.

• ShockRelated: Widespread vasodilation and fluid leakage can produce anaphylactic shock.

• Spider biteRelated: Breathing difficulty or widespread swelling after a bite requires emergency care.

• AdrenalineRelated: Adrenaline is the first-line treatment because it can rapidly reverse airway swelling and low blood pressure.

• Drug allergyBroader topic: Some immediate drug allergies trigger this emergency, requiring prompt recognition and treatment.

• Latex allergyBroader topic: Extensive latex exposure can rarely trigger this life-threatening form of immediate allergy.

• Peanut allergyBroader topic: Peanut allergy can cause this severe reaction, including breathing difficulty or circulatory collapse.

• Penicillin allergyBroader topic: It is the most dangerous possible presentation of an immediate penicillin reaction.

• StingRelated: A sting can trigger anaphylaxis in someone sensitized to its venom.

• BronchoconstrictionRelated: Bronchoconstriction can contribute to the breathing difficulty of anaphylaxis.

• BronchospasmRelated: Bronchospasm can be one component of its acute respiratory effects.

• CetirizineCompared with: Cetirizine may ease skin symptoms but cannot replace epinephrine or emergency care.

• Subcutaneous injectionRelated: Rare severe allergic reactions can follow injected medicines and require urgent treatment.

• Histamine fish poisoningCompared with: Severe histamine poisoning can resemble anaphylaxis, making clinical distinction important.

• Allergy testingRelated: Testing after a suspected episode can help identify triggers, but does not replace emergency treatment.

• Anaphylactic shockNarrower topic: Anaphylactic shock is the circulatory-collapse form of this broader reaction.

• CefazolinRelated: Although uncommon, severe allergy is a safety consideration with cefazolin and other beta-lactams.

• Emergency medical technicianRelated: EMTs assess airway and circulatory danger and may administer authorized emergency medication.

• ParamedicRelated: Paramedics may recognize it and give time-critical treatment under local protocols.

• ToxicodendronCompared with: Urushiol dermatitis is usually a localized delayed reaction, not anaphylaxis.

• Fire antRelated: A small fraction of fire-ant stings trigger this emergency through venom allergy.

• Jarisch–Herxheimer reactionCompared with: Unlike anaphylaxis, the reaction is inflammatory rather than an immediate drug allergy.

• MastocytosisRelated: Mast-cell mediator release can raise the risk of severe anaphylactic episodes.

• HivesCompared with: Breathing difficulty, faintness, or throat swelling with hives can indicate anaphylaxis.

• Asian giant hornetRelated: Allergic reactions can make a hornet sting dangerous even without many stings.

• Charles RichetBroader topic: Richet named and experimentally characterized this reaction after repeat toxin exposure.

• Flour miteBroader topic: Rare reports link ingestion of mite-contaminated flour to severe allergic reactions.

• Medical emergencyBroader topic: Immediate treatment is needed because airway swelling and shock can develop quickly.