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title: "Anaphylaxis and Anesthesia | Australia Wide First Aid"
description: "Severe allergies to anesthesia are a serious problem because it may be difficult for your anaesthesiologist to observe some of the usual early symptoms associated with anaphylaxis. Symptoms that may be difficult to detect include light headedness and shortness of breath."
canonical: "https://www.australiawidefirstaid.com/resources/anesthesia"
---

# Anaphylaxis and Anesthesia

[Resources](https://www.australiawidefirstaid.com/resources) › [Allergy and Asthma](https://www.australiawidefirstaid.com/resources?genre=allergy-and-asthma)

Allergy and Asthma

Severe allergic reactions to anaesthetic are rare and only occur in approximately 1 in 10,000 to 1 in 20,000 procedures in Australia.

During day surgery, other factors such as antibiotics, natural rubber latex and neuromuscular blocking agents are more likely to trigger an anaphylactic reaction than the anaesthetic itself.

## What happens if someone has an anaphylactic reaction from Anaesthesia?

Severe allergies to anaesthesia are a serious problem because it may be difficult for your anaesthesiologist to observe some of the usual early symptoms associated with anaphylaxis. Symptoms that may be difficult to detect include light headedness and shortness of breath.

Although some warning signs are hard to identify during anaesthesia, anaesthesiologists are specially trained to recognise allergic reactions. If allergy symptoms, such as bronchospasm, swelling or hypotension, are detected your anaesthesiologist will act quickly to establish the appropriate treatment. This treatment may include administration of epinephrine (adrenaline), the insertion of a breathing tube, or administration of intravenous fluids.

## What do I do if I suspect I am allergic to anaesthesia?

If you have experienced an allergic reaction to anaesthetic or other medications in the past you should tell your anaesthetist. Your anaesthetist will then ensure that the substances you are allergic to are not used and will be prepared for a potential reaction.

During a typical general anaesthetic, a variety of drugs are given. If you have an allergic reaction during surgery, tests will be carried out afterwards to determine what you are allergic to.

## How can I have surgery if I am allergic to anaesthesia?

Having an allergic reaction to one anaesthetic drug does not mean you can never have an anaesthetic again. If you or a family member have had an allergic reaction during surgery you should discuss this with your doctor and have tests to determine which substances you are actually allergic to.

For more information about anaphylaxis read [‘What is anaphylaxis’](https://www.australiawidefirstaid.com.au/resources/what-is-anaphylaxis) or [Guideline 9.2.7](https://www.anzcor.org/home/new-guideline-page-2/guideline-9-2-7-first-aid-management-of-anaphylaxis) by Australian Resuscitation Council.

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## Learn this hands-on

Reading is a start — a nationally accredited course makes it stick. [Find a course and check live session availability](https://www.australiawidefirstaid.com/#find-course).

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