Sensitive reaction to a substance which does not cause serve harm but causes intolerable discomfort is called allergy. The allergy producing substance is called allergen. The symptoms of allergy vary from person to person. Some types of symptoms of allergy are itching,rashing, eyes turning red, felling fever, nose running, face becoming red, sneezing, felling uneasy, fainting etc.
Allergens also differ from person to person. Some of the examples of allergens are cold weather, hot weather, dust, spider, animals with feather etc. But all these are not allergens for all.
To avoid the things which are allergen is the best way to prevent from allergy. If the symptoms are emerged, we should try to find out the cause. Keep the patient away from allergen and manage the medical treatment. First aid of allergy is to provide the medical treatment as far as possible. Medicine should be given according to the types of allergy. As the first aid provider cannot find all types of medicine of allergy, it is best to transfer patient for medical treatment.
There is not any specific reason for allergy. It is only the sensitive reaction of the body to a substance, insects, plants, chemicals, etc. in the environment. In other words allergy can be defined as disorder in which body becomes hypersensitive to particular antigens (called allergens) which demonstrate characteristic symptoms.
The major symptoms are:
Allergy is the reaction of immune system against certain materials. In general, immune system fights against those foreign factors which are harmful for the body. Following are the safety measured from allergy.