Allergies cause the symptoms of atopic diseases. But what causes allergies in the first place.
It has been shown that babies who are exposed to allergens, are more likely to develop an allergy. This can cause any of the atopic diseases.
The conditions are linked.
If someone has one they are more likely to suffer from one or more of the others.
Our body does not have an allergic reaction to something the first time it has contact with it.
Your body learns how to react to an allergen.
What causes allergies, happens in stages
Someone with any one of
the atopic conditions produces a higher level of IgE. This increases
the severity of the allergic reaction. It also makes it more likely
to have a reaction to more allergens.
Everyone is different
regarding how long it takes their body to react to a substance. Some
people get a reaction soon after. Others don’t see any symptoms for
some time.
This can make it harder to work out what substance is causing the reaction. If the symptoms don’t show for a few days you may of forgotten what potential allergens you have come into contact with.
The difference between an allergic reaction and a reaction to an irritant is time.
Most people get an
allergic reaction sometime after contact. For instance, if you wear a
watch. You may notice that after a few days you have allergic
reaction rashes around the strap. You are likely to be allergic to a
substance in the metal, normally nickel.
An irritation is usually instant. If you touch something that is an irritant, you will know it straight away. For instance, if you are chopping a onion. The skin on your hands will sting within seconds. So you would know to avoid direct contact with onions.
If you suffer from any of the atopic diseases keep a look out for symptoms appearing. It will help you work out what is an irritant or an allergen.
It can be a good idea
to keep a detailed diary. This can help you work out a pattern. There
are some things that are more likely to cause an allergic reaction
than others.
You can read more about what could trigger your eczema. Some of the allergens are common in all the atopic diseases.
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