It is a very common term which is used in our day-to-day life and allergies are basically caused by an adverse reaction to some substance. It can also be referred to as immediate hypersensitivities which occur very quickly when it is exposed to the allergen. There can be allergic reaction to things such as food particles, pollens, dust and sometimes microorganisms. The mind reacts to the substance in context that the substance is deadly and can harm the body. It is the defense mechanism of the body when a foreign body gets into the immune system.

Allergies can be developed at any age. An infant can also be allergic and sometimes these allergic reactions can be many times genetic. If the parents are not allergic then the chances of your child being allergic is 15%. But if one of the parents has it then there are 30% chances and if both the parents have it then it reaches to 60%. The immune system is misguided when the foreign body comes in contact with your body. It sends signals to the brain which reacts by causing inflammation to your skin.

Some of the very common reaction one gets from allergy is some severe skin rash or inflammation. The other conditions which you face are the hay fever, asthma, allergic conjunctivitis and sometimes an allergic shock which can happen very fast. When you describe hay fever it would basically lead to sneezing, nasal congestion and severe irritation of eyes which gets severe with the passing hours. You also have a runny and stuffy nose, sneezing and nasal itching. There are very unusual and much unknown factors which cause allergies. Tiredness, fatigue and lethargy can also be termed as part of allergies. Such an allergy can be seen due to dust mites, sleep disturbance and the usual known ones.

The different types of allergies are:

Food Allergies: Where the person is affected by a certain food and such mistake can lead to some bad inflammations on your skin as well as death. So precautions have to be taken accordingly.

Dust Mite Allergies: When affected everyone may have a different reaction and this may lead to the unclean room and being in the vicinity of the dirty laundry.

Children Allergies: These allergies can be taken under consideration due to the genetic factor. If the father or mother may carry that allergy and which is passed on to their baby.

Pollen Allergies: Caused by some specific pollen or any kind of pollen. This is very can be analyzed according to the reaction of the person. Avoiding such places where there is pollen or accepting any thing which may trigger the reaction.

There are many more Allergies which can be mentioned but these of the few common ones which are very general and known to everyone.

Some of the precautionary measures to be taken is to know your allergy and to fight it. Once you know what kind of allergy troubles you then you can avoid all those things which trigger that reaction. As mentioned earlier there are many things which can create allergic reaction and many a times such things can be taken lightly.