Asthma or Anaphylaxis? Why Adrenaline Comes Before the Inhaler

When someone has both asthma and a known allergy, sudden breathing difficulty requires a specific and immediate response: give adrenaline first, then the asthma reliever. This article explains why that order matters, what signs to look for in an emergency, and how to prepare so that you or the people around you can act correctly when it counts.

Asthma and anaphylaxis are two different conditions that can look similar in an emergency, especially in people who have both. A person who wheezes when exposed to a food or insect allergen may appear to be having an asthma episode. But if they have a known allergy, that wheeze could be anaphylaxis. Reaching for the reliever puffer without giving adrenaline first can cost critical time. Australian allergy guidance from ASCIA is unambiguous: adrenaline comes first, even when there are no visible skin symptoms like hives or swelling.

This guide covers the clinical reasoning behind the adrenaline-first rule, the specific signs that should trigger it, step-by-step emergency actions, the risk of biphasic anaphylaxis, and what workplaces, schools and families need to have in place. It is written for anyone who lives with, cares for or works alongside people who have both asthma and allergy, and for those who want to be prepared before an emergency happens.

The information in this article draws on ASCIA clinical guidelines, ANZCOR recommendations, guidance from Allergy and Anaphylaxis Australia, and the findings from the Victorian coronial inquest into the death of James Tsindos, which was delivered in February 2026. That inquest specifically identified the failure to administer adrenaline before the asthma reliever, and the lack of recognition of biphasic anaphylaxis, as contributing factors in the outcome. The case underscores why training, preparation and correct emergency protocols are not optional for anyone who works with or cares for people at risk of anaphylaxis.