Need a certification?

We want you to feel confident that you're receiving the best training, so Anaphylaxis Awareness Level 2 (VTQ) is fully available for preview below. If you're in need of a certificate of completion for work, create your account today to track your progress.

What is Anaphylaxis

Video 4 of 31
2 minutes
English
English
Don’t forget to create an account or login to track your progress!
Login | Create Account

the nhs national institute for health and  clinical excellence defines anaphylaxis as   a severe life-threatening generalized or systemic  hypersensitivity reaction not everyone has   allergies and not everyone who has allergies will  be susceptible to going into anaphylactic shock   also just because someone has an allergic reaction  does not mean that they will go on to experience   anaphylaxis the reaction may start suddenly  within seconds or take minutes or even hours   to develop following the contact with the allergen  common food triggers include peanuts and tree nuts   fish and shellfish citrus fruits eggs  and dairy products such as milk or cheese   other allergens include venom from stinging or  biting insects medicines most commonly antibiotics   aspirin or ibuprofen or substances such as latex  allergic reactions can manifest in many different   ways however anaphylaxis has a few common  signs and symptoms one of the most common   being breathing difficulties this is because all  the small tubes in the lungs which deliver oxygen   swell up and consequently the person cannot get  enough oxygen to their body if this happens they   will be breathing very quickly but each breath  will be very shallow anaphylaxis can also cause   a drop in the person's blood pressure which  may make them faint or even go unconscious   this is also the body's response to not receiving  enough oxygen this is because fainting normally   makes the person fall to the floor which in turn  makes it easier for the blood to get back to the   head and also puts a bit less strain on the heart  and lungs other signs and symptoms of an allergic   reaction include a rapid heartbeat cold clammy  skin confusion or nausea it's worth mentioning   that the more serious the reaction the more  seriously these signs and symptoms will present

Anaphylaxis Demystified

Defining Anaphylaxis

The NHS Perspective:

The NHS National Institute for Health and Clinical Excellence defines anaphylaxis as a "severe, life-threatening, generalised or systemic hypersensitivity reaction."

Varying Susceptibility

Not Allergic, Not Always Anaphylactic:

Not everyone possesses allergies, and having allergies doesn't guarantee susceptibility to anaphylactic shock.

Unpredictable Onset:

Anaphylaxis can initiate suddenly within seconds, over minutes, or even hours after allergen exposure.

Common Allergenic Culprits

Food Triggers:

Common food allergens encompass peanuts, tree nuts, fish, shellfish, citrus fruit, eggs, and dairy products like milk and cheese.

Other Allergens:

Additional allergenic sources include venom from insect stings or bites, medications (commonly antibiotics, aspirin, or ibuprofen), and substances like latex.

Anaphylaxis Unveiled

Distinctive Indications:

Anaphylaxis manifests in specific ways, with breathing difficulties being a predominant symptom due to airway constriction.

Breathing Distress:

The condition leads to the narrowing of air passages in the lungs, impeding oxygen intake, resulting in rapid, shallow breathing.

Cardiovascular Impact:

Anaphylaxis can induce a drop in blood pressure, potentially causing fainting or unconsciousness as the body attempts to restore oxygen supply to the brain.

Secondary Symptoms:

Additional signs encompass an accelerated heartbeat, cold, clammy skin, confusion, or nausea. The severity of these symptoms correlates with the intensity of the reaction.

Understanding the gravity of anaphylaxis and its triggers is essential for timely intervention.