Hay fever symptoms vary in severity and may be worse some years, depending on the weather conditions and pollen count.
The time of year your symptoms start will depend on the types of pollen you’re allergic to. The symptoms of hay fever include:
Less commonly, you may also experience:
Even though your hay fever symptoms may be mild, they can interfere with your sleep and your daily activities at school or work.
If you have Asthma, your Asthma Symptoms may get worse when you have hay fever. Sometimes, the symptoms of asthma only occur when you have hay fever.
These symptoms include:
Hay fever symptoms are likely to be worse if the pollen count is high. The pollen count is the number of grains of pollen in one cubic metre of air.
Air samples are collected in traps set on buildings two or three storeys high. Taking samples from this height gives a better indication of the pollen in the air. Traps on the ground would only collect pollen from nearby trees and plants.
The air is sucked into the trap and the grains of pollen are collected on either sticky tape or microscope slides (glass plates). The pollen is then counted. Samples are normally taken every two hours, and usually the results are averaged over a 24-hour period.
The pollen forecast is usually given as:
Hay fever symptoms often begin when the pollen count is over 50. The pollen count is usually given as part of the weather forecast during the spring and summer months.
Most cases of hay fever can be treated using over-the-counter medication. Your local pharmacist can advise you on treatments for you or your children.
You usually only need to see your doctor if:
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Causes of Hay Fever
Diagnosing Hay Fever
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Symptoms of Lung Cancer
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Diagnosing Lung Cancer
Preventing Lung Cancer
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Causes of Bronchitis
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Symptoms of Allergies
Treating Allergies
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Source: NHS UK
http://www.nhs.uk/Conditions/Hay-fever/Pages/Symptoms.aspx