Anaphylaxis FAQ
What is the main cause of anaphylaxis?
Common triggers include food allergies (e.g., peanuts, shellfish), insect stings, medications, and latex.
How quickly does anaphylaxis occur after exposure?
Symptoms typically develop within minutes to an hour after exposure to the allergen.
What is the first-line treatment for anaphylaxis?
Immediate administration of epinephrine via auto-injector or injection is crucial.
Can anaphylaxis be prevented?
Avoiding known allergens and carrying an EpiPen, if prescribed, can help prevent severe reactions.
What are common symptoms of anaphylaxis?
Constriction of the airways, abdominal cramps, nausea, vomiting, and a rapid, weak pulse.
Is anaphylaxis always life-threatening?
Yes, it can lead to respiratory failure, cardiac arrest, or septic shock if untreated.
How is anaphylaxis diagnosed?
Medical history, physical examination, and sometimes blood tests or skin prick tests.
Can children outgrow anaphylaxis?
Some may outgrow specific allergies, but anaphylaxis risk persists until confirmed by a doctor.
What should I do if someone has anaphylaxis?
Call emergency services, administer epinephrine if available, and keep them calm and lying down.
Are antihistamines enough to treat anaphylaxis?
No, antihistamines are supplementary; epinephrine is the primary treatment.
How long should I stay in the hospital after anaphylaxis?
Observation for 4-24 hours is common to monitor for biphasic reactions.
Can stress trigger anaphylaxis?
Stress can exacerbate symptoms but is unlikely to be the sole trigger.
What medications can cause anaphylaxis?
Antibiotics (e.g., penicillin), NSAIDs, and certain vaccines in rare cases.
How often should I replace my EpiPen?
Check the expiration date; EpiPens typically need replacement every 12-18 months.
Can anaphylaxis occur without a known allergy?
Yes, in rare cases, it can be idiopathic, with no identifiable trigger.
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