Does allergy testing treat anaphylaxis?

Anaphylaxis is a rapid, severe allergic reaction that may cause breathing difficulty, throat or tongue swelling, wheezing, dizziness, faintness, widespread hives, vomiting, or sudden collapse. Allergy testing is an assessment performed when you are stable; it cannot reverse these symptoms.

After an episode, an allergy specialist may use your history and selected skin or blood tests to investigate a possible trigger. A result must be interpreted carefully because testing does not identify every cause and a suspected trigger may need confirmation from the event history.

Call emergency services immediately. If you have a prescribed adrenaline auto-injector, use it into the outer thigh as directed and follow the emergency operator’s instructions. Lie down with your legs raised if you feel faint; sit up only if lying down makes breathing harder. Do not wait for allergy testing or rely on an antihistamine to control a severe reaction.

After recovery, record what you ate, took, touched, or were exposed to before symptoms began, and arrange specialist follow-up. Ask for a written emergency plan and guidance on carrying prescribed rescue medicine.

Treat suspected anaphylaxis as an emergency when symptoms involve breathing, the throat, circulation, or more than one body system. Emergency assessment is also needed after using an adrenaline auto-injector, even if symptoms improve, because the reaction can return.

Ask when testing should be arranged, which triggers need investigation, whether you need an adrenaline auto-injector, and how to recognise and manage your next reaction.