Allergy is the term used to define the immunological sensitivity of an individual towards an allergen (an irritating substance which causes allergies). This may come as a consequence of the inhalation of allergens or consuming food which may contain allergens.
Treatment of allergies includes actions to be undertaken by the patients (washable furniture, shut windows, etc.) and pharmacological therapy. The actions that must be undertaken by the patient to begin treatment like; they must wash their pillow each month, must not have plants indoors, or any domestic animals, etc.
Common questions on allergies include what occurs during a reaction, which tests to take, etc.
Symptoms of an allergic reaction usually develop within a few minutes of being exposed to something you're allergic to, although occasionally they can develop gradually over a few hours. Some symptoms include; sneezing, runny nose, teary eyes, coughing, etc.