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Allergies health centre

Select a topic to explore more.

Symptoms & types

Sneezing, difficulty breathing, cramps, and vomiting – all are allergy symptoms. Learn the types of allergies, specific allergy symptoms, and emergency warning signs.


Learn the difference between mild and severe allergy symptoms.

Are your eye problems linked to allergies?

Find out what causes hives and how to treat them.

Angioedema is swelling caused by a build-up of fluid in deeper layers of the skin.

Anaphylaxis is a serious, potentially life-threatening allergic reaction. Severe cases of anaphylaxis can result in anaphylactic shock.

Everyone sneezes. Some people sneeze more often, and louder than others.

Seasonal allergies

Allergic rhinitis, also known as hayfever, is an allergic response to pollen or other microscopic substances.

Do your sinuses respond to the springtime pollen? Read more.

Some allergy sufferers find the summer months are the worst for them. Read more.

Learn more about what triggers allergies in autumn.

Allergies during the winter? Yes, indeed. Find out more.

Pollen from trees and shrubs can trigger hayfever.

Pollen from weeds can trigger hayfever.

Pollen from grass can trigger hayfever.

Are you allergic to your Christmas tree? Does 'Christmas Tree Syndrome' exist?

Christmas means allergies for many people, whether it is dusty decorations coming down from the loft, or an allergic reaction to Christmas trees.

Food allergies

A food allergy is an immune system response to food. A food intolerance is a digestive system response to food. Read more about the differences between allergy and intolerance.

Learn about how food allergies can affect children and how they are diagnosed and treated.

Many unsuspecting products contain milk or milk products. Check our list.

A nut allergy can become very serious, even fatal, rapidly. This food list will help you identify potential problems.

Some unexpected foods contain fish. If you’ve got a fish allergy, these tips will help keep you safe.

This allergy is most common among infants. By age two, the majority of children outgrow it. Find out more about the symptoms and how to avoid soya products.

Knowing which ingredients to look for is key to avoiding a wheat allergy. Check this list for unsuspected products that contain wheat.

About 1% of people have a sulphite allergy. This article has a list of foods that may contain sulphites.

A true alcohol allergy will involve the immune system mistakenly producing IgE antibodies to fight off the allergen, thinking that it is a dangerous invader.

Oral allergy syndrome is also known as pollen-food syndrome.

Get the answer here from Dr Rob Hicks.

Pet allergies

An allergy specialist shares her tips on dealing with pet allergies. And she should know. She has a cat, a dog, and many family members who have dog and cat allergies.

Are there really allergy-free dog breeds? How can you limit exposure and keep your family pet after a diagnosis? Find out these things and more.

Read more about identifying and controlling cat allergies.

Allergies in the house and garden

A normal reaction to a bee sting is different from a bee sting allergy. Do you know the difference?

Mould is present in most indoor and outdoor spaces, and in many foods. Find out more about mould allergy symptoms and common food sources of mould.

House dust mites are pervasive, and a very common cause of indoor allergies. Learn more.

Contact with plant oils can cause an allergic reaction. Find out more about how to treat plant allergies at home.

Insect stings can cause serious problems. Learn more.

Medicines and more

Many medicines can trigger reactions, which can be severe. Read more about drug allergies and the symptoms here.

Salicylates are a major ingredient of aspirin and other pain-relieving medications. Find out more here.

Learn about latex allergy symptoms and what to do in case of a severe reaction.


Allergies are a main trigger for asthma attacks. See what an asthma attack looks like in the lungs and learn the early warning signs.

Hay fever allergies can cause sinus blockage and infection. Learn how to spot sinus infection symptoms and how to treat the problem.

This itchy skin rash, common in children and infants, affects some people all their lives. Find out more about eczema treatment and symptoms here.

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