Shock

Shock is when not enough blood circulates around the body to deliver oxygen to your organs. It can be fatal. Learn how to help someone with shock.

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Electric shocks and burns

An electric shock happens when someone touches an electrical energy source, often leading to a burn. Discover the causes symptoms, safety and treatments.

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Toxic shock syndrome

Toxic shock syndrome (TSS) is an infection caused by bacteria. It's very rare but symptoms can develop quickly. Learn more about TSS here.

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Sepsis

Sepsis is a serious condition which can lead to septic shock, organ failure and even death if not diagnosed and treated early. Find out more here.

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External cardioversion

An external cardioversion is a procedure to treat an abnormal heart rhythm. It involves connecting you to a defibrillator machine that gives a controlled electric shock to make your heart beat normally again.

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Inserting an internal cardioverter defibrillator

An abnormal heart rhythm can cause cardiac arrest. Having an ICD inserted may save your life by giving you a shock to make your heart beat normally again.

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Stinging plants

Stinging trees and nettles can hurt. Find out what these plants look like, how to avoid getting stung and what to do when the worst happens.

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Allergies

Information about allergy types, as well as allergy testing, anaphylaxis, antihistamines and common related conditions such as asthma and hay fever.

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Anaphylaxis

Anaphylaxis is a severe allergic reaction needing urgent care. Learn about triggers, symptoms, treatment and what to do in an emergency.

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Insect bites and stings

Explore treatment and prevention methods for insect bites and stings. Learn about symptoms, first aid and severe allergic reactions (anaphylaxis).

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Insect bites - infographic

What you need to know about insect bites, including symptoms, treatment and signs of a severe allergic reaction.

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How to use an adrenaline autoinjector

An adrenaline autoinjector can, in an emergency, save the life of someone who is having a severe allergic reaction (anaphylaxis). Learn how to use one here.

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Kidney stones

Kidney stones are common and can cause severe pain, nausea and vomiting. Find out more about the treatment, symptoms and diagnosis of kidney stones.

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Adrenaline

Adrenaline (epinephrine) is a natural stress hormone. It is also a medicine used in an emergency for severe allergic reactions (anaphylaxis).

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Allergies and hypersensitivities

An allergic reaction occurs when the immune system overreacts to a substance. Find out about common allergies, their symptoms and treatments.

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Egg allergy

Egg allergy usually starts in infancy, but most children grow out of it. Learn about the symptoms and diagnosis of egg allergy, and ways to avoid egg.

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Insect stings - infographic

What you need to know about insect stings, including symptoms, treatment and signs of a severe allergic reaction.

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Tree nut allergy

Tree nut allergy is when you have an allergic reaction after exposure to tree nuts. You might be allergic to one or more types of tree nuts.

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Bee and wasp stings

A bee or wasp sting causes immediate sharp pain. Learn more about the symptoms, treatments and when to see a doctor for bee and wasp stings.

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Peanut allergy

Peanut allergy is common and can be life-threatening. Find out how to reduce the chance of having a severe allergic reaction to peanuts.

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Defibrillators

A defibrillator can save someone's life if they have a cardiac arrest. Learn more about defibrillators and how to find and use one.

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Winter health hazards at home

Keeping warm indoors means watching out for heaters and other things that can cause burns and scalds. These simple tips should help to keep you safe.

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Cardiac arrest

Cardiac arrest is when the heart stops beating, usually due to an electrical problem with the heart. Performing CPR and defibrillation in time can be lifesaving.

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Tachycardia

Tachycardia (if your heart beats very fast, more than 100 beats per minute) can be a normal response to exercise or stress or a sign of disease.

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Necrotising fasciitis

Necrotising fasciitis is a serious bacterial infection that spreads quickly through the body. Learn why early diagnosis and wound care are crucial.

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Implantable cardioverter defibrillators (ICD)

You may need an ICD, or ACID (automated implantable cardioverter defibrillator) if you have an abnormally fast or irregular heartbeat. Learn why here.

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Trigeminal neuralgia

Trigeminal neuralgia is a type of nerve pain. It may feel like a sudden pain in your jaw or cheek. Read more about trigeminal neuralgia.

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Sea creature bites and stings

Sea creature stings and bites can be serious due to venom through their teeth, tentacles, spines, or skin. Learn when to get help.

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Group A streptococcal infection

Group A streptococcal (GAS) infection is a bacterial infection. Find out about the symptoms and treatment for GAS infection, and how to prevent it.

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Wolff-Parkinson-White syndrome

Wolff-Parkinson-White syndrome (WPW) can cause episodes of fast heartbeat, or tachycardia. Learn more here about the symptoms and treatments for WPW.

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