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What is the technical term for hayfever?

The medical term for nasal allergy symptoms is "allergic rhinitis." ("Rhinitis" comes from the ancient Greek word "rhinos" for nose, and the second part of the word "itis" means inflammation.)

The medical term for hayfever is "seasonal allergic rhinitis" since the condition involves nose and eye symptoms and is caused by the body reacting to different pollen types during specific seasons. In the UK, this is usually the spring and early summer.

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Typical allergens
 

Where does the term hayfever come from?

The term hayfever was coined in 1828 by a British physician, Dr. John Bostock, who noticed that his symptoms worsened during the haymaking season. The expression is a bit misleading, because allergies seldom cause a fever and are rarely related to hay.

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Hay-making
 

What are allergies?

An allergy is a reaction which shows you are sensitive to something. When your body tries to get rid of the "allergen" (foreign substance) you can experience a number of different symptoms. These include sneezing, watery eyes, and a runny, stuffy, or itchy nose.

Many people suffer allergies and feel that it really gets in the way of enjoying themselves and feeling their best at what is often a great time of the year. Allergies can be caused by many things and are triggered by allergens that are found indoors as well as outdoors. Typical allergens include pet dander, pollen, dust mites and mould.

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Puppy, dust, flowers
 

What is hayfever?

Hayfever is one of the most common allergic conditions. It affects many people in spring and early summer. Its medical name is seasonal allergic rhinitis since the condition involves nose and eye symptoms. It is caused by the body reacting to different pollen types during specific seasons.

Taking Clarityn Allergy Tablets (loratadine) is a good way to address hayfever so that people can get on with their active lives.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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Blowing nose
 

Who gets allergies?

More than 15 million people in the UK have some form of allergy. Hayfever or allergic rhinitis, the most common type of allergy, affects approximately 12 million of us each year. That is a lot of people and for many, suffering from hayfever can stop them from getting out and about to live their lives to the full. Sensitivity to hayfever and allergies often starts in childhood or young adulthood which is also when people are looking to take exams that have a big effect on their future.

Although experts do not fully understand why some people develop allergies and others don't, allergies do tend to run in families. If both parents have allergies, a child's chances of developing allergies are higher.

Early exposure to irritants like cigarette smoke is also believed to increase a child's chances of developing allergies.

If you are unlucky enough to suffer from an allergy such as hayfever, or if your allergy means you react to insect bites, Clarityn Allergy Tablets and Syrup (loratadine) can help you to get back on track.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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Pie chart showing 15million people have allergies
 

What is the relationship between pollen and hayfever?

For people affected by hayfever, symptoms come and go with the pollination seasons of certain trees, grasses or flowers. Pollen levels from these plants can vary day to day, depending upon several factors, including the weather. High pollen levels can, in turn, affect how severe symptoms are. Clarityn Allergy Tablets (loratadine) can help you get back to normal.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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Nature
 

What types of day are likely to be worse for hayfever?

During the pollen season for grass and plants from May onwards, plants release pollen early in the morning. On a sunny day, as the day gets warmer and more plants and flowers pollinate, pollen levels can rise, and the pollen is carried high up into the air. The pollen count is therefore at its highest in the early evening, so if you have hay fever, it is a good idea to avoid going outside at this time of day. On humid and windy days, pollen spreads easily. If it is raining, pollen may be cleared from the air causing pollen levels to drop.

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Pollen count
 

Can you get hayfever symptoms at any time of the year?

If your allergies are caused by substances that occur outside the hayfever season, you can suffer from hayfever-like symptoms. Doctors call this "Perennial (or chronic) rhinitis". It is caused by substances like dust mites, mould spores or pet dander.

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Calendar
 

Why do allergies affect my nose?

Your nose filters the air you breathe, helping to prevent anything unwanted from travelling into the lungs.

When you breathe in an allergen like pollen, it gets filtered out and lodges in the mucus that lines the nose. If you suffer from hayfever, cells in your nose react by releasing a substance called histamine. The histamine causes blood vessels in the nose to dilate and leak fluid into other parts of your nose. This causes swelling, itching and inflammation. As a result, you have symptoms like a runny, itchy nose and sneezing. Sometimes your allergies may also affect your sinuses in the bones surrounding the nose. Clarityn Allergy Tablets (loratadine) is an antihistamine that reduces the production of histamine. Escaping from the symptoms that affect your nose is something that Clarityn Allergy Tablets (loratadine) can help you with to get you back to normal.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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Histamine
 

Why do allergies affect my eyes?

Cells similar to the ones in your nose are also found in the lining of your eyes, so if an allergen gets into your eye, you may have itchy, red, watery eyes. They also are found in your lungs and digestive tract, and in your skin.

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Child rubbing eyes
 

At what age do allergies appear?

People can develop allergy symptoms for the first time at any age – even through mid-life. In children, allergies can sometimes diminish as they grow older. Prompt care and treatment can help diminish allergy symptoms.

People are not born with hayfever, but can develop it after they are exposed to allergens during the first few years of life. For both sexes, the percentage of people with hayfever is highest during the later teenage years, stabilizes during the adult years, and gradually decreases during middle and advanced age.

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A family
 

Is it allergies or a cold?

Although allergies and colds have similar symptoms, there are some signs that can help you tell the difference between them. It is probably an allergy if:

  • Mucous secretions are clear and runny.

  • Sneezes occur in a rapid sequence.

  • Itchiness in nose, ears and throat (especially the palate or roof of the mouth) is present.

  • Symptoms of seasonal allergies usually last longer than the typical duration of a cold, which is usually 7 to 10 days.

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Person blowing their nose
 

What is the difference between having an allergic reaction and suffering from hayfever?

What we call hayfever is actually a common term for a type of allergy called "seasonal allergic rhinitis". Rhinitis comes from the ancient Greek work for nose, "rhinos" and "it is" means inflammation. It is seasonal because pollen, which is a common allergen that causes rhinitis, is much more common during the pollination season from March to July. When trees and plants are pollinating, those of us that suffer from hayfever are more likely to have an allergic reaction. According to medical data, this is as high as 20% in the UK or around 12 million of us.

Suffering from an allergic reaction is therefore a broader term that includes other reactions that are not caused by pollens. Typical allergens include pet dander, dust mites and mould as well as pollens.

Clarityn Allergy (loratadine) Tablets can help you to get on with your life as normal.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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Histamine
 

What are the most common allergies?

The most common allergies are:

  • Pollen

  • House-mite droppings

  • Pet dander (dried skin and hair cells from pets)

  • Mould spores

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A flower
 

Can I catch allergies from someone else?

No. Allergic reactions are caused by the body reacting to external things like pollen or dust mites. You will not become more susceptible to allergies by being in close contact with someone else who is suffering from them.

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Another person blowing their nose
 

How can I treat my allergy?

The Clarityn Allergy (loratadine) range of products is available in all good pharmacies and most supermarkets. For medical advice, talk to a pharmacist or your doctor.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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A pack of Clarityn Allergy tablets
 

Where can I find out more about allergies?

There are many websites with information about allergies. Try www.allergyuk.org or NHS Direct www.nhsdirect.nhs.uk. You can also call NHS Direct on 0845 4647 or talk to a pharmacist or your GP.

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Find out more
 

What time of year am I most likely to suffer from allergies?

That depends on what sort of allergy you suffer from. Those that suffer from hayfever are most likely to suffer as plants pollinate in spring and early summer. Trees pollinate between March and May and then grass and flowers tend to pollinate from May until July. The onset of spring is different throughout the UK but will typically start in the south in April/May and move north to Scotland over a few weeks. A smaller minority can suffer from allergies in the autumn and this is caused by late-flowering plants, nettles, docks and mould spores. Other allergy sufferers for example those who suffer from house mites can suffer all year round.

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A calendar
 

How does Clarityn Allergy (loratadine) work?

Clarityn Allergy products contain an ingredient called loratadine. Loratadine reduces the allergic reaction that causes the symptoms, typically itchy eyes, sneezing and runny nose. This allows you to get back to normal and to get on with your life.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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A pack of Clarityn Allergy tablets
 

What is different about Clarityn Allergy (loratadine) compared to some other allergy products?

Clarityn Allergy is clinically proven to help you get you back to normal. It has also been shown to make you less drowsy compared to some other allergy products.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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A pet dog
 

What is the company behind Clarityn Allergy (loratadine)?

MSD owns Clarityn Allergy (loratadine). MSD is an international pharmaceutical company with offices in the UK and the rest of the world. It is headquartered in New Jersey, USA. For more information about MSD, please see:
www.msd-uk.com

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Schering-Plough
 

How often should I take Clarityn Allergy (loratadine) products?

All usage instructions are on the packs of all Clarityn Allergy (loratadine) products.

Clarityn Rapide Allergy contains loratadine which can relieve your allergy symptoms with a single daily dose and dissolves in an instant.

Clarityn Rapide Allergy (loratadine) once-daily tablets may be taken by adults and children over 12 years of age, and by children aged between 2 and 12 years whose bodyweight is more than 30kg.

Clarityn Rapide Allergy (loratadine) tablets are available in cartons of 10 tablets.

Clarityn Allergy (loratadine) once-daily tablets and syrup may be taken by adults and children over 12 years of age, and by children aged between 2 and 12 years whose bodyweight is more than 30kg. For children aged between 2 and 12 years who weigh less than 30kg, 5ml of syrup once daily can be taken. In addition to a 7 and 14 tablet pack the range includes 30 and 60 tablet packs which are only available from pharmacies. The 30 and 60 tablet packs represent excellent value for families and regular sufferers.

Clarityn Allergy tablets and syrup contain Loratadine. Always read the leaflet.

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A pack of Clarityn Allergy tablets
 

How many people suffer from allergies in the UK?

It is estimated that 25% of people in the UK suffer from an allergy at some point in their lives.

The number in the UK who suffer hayfever is slightly less at 20%, but this is still a considerable number of us at around 12 million of the 60 million in the population as a whole.

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Pie chart
 

Are you more likely to suffer from allergies at different ages?

Yes. Allergy susceptibility peaks for teenagers and young adults, especially for hayfever sufferers. After the age of 30, less people suffer as a percentage of the population. Of course, different people can suffer in different ways and some people have been known to have more allergic reactions as they get older. For those taking exams, suffering from allergies can be very disruptive and is known to have a negative effect on exam performance.

Unfortunately, many people take exams just as the hayfever season peaks in early summer.

You can help manage your hayfever symptoms by taking Clarityn Allergy (loratadine). This means that there is one less thing to worry about when revising for your exams.

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What is a pollen count?

The pollen count is the number of pollen grains found in each cubic metre of air. This is not determined simply by how many flowers there are, but also by the weather. The amount of sunshine, rain or wind there is affects how much pollen plants release. Hayfever symptoms tend to begin when the pollen count is over 50.

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