Allergies tend to be remarkably prevalent and every single day more people are becoming more prone to allergies. As reported by research, up to 50 million people today in the united states are actually allergic. It is also amongst the primary reasons responsible for people missing work and children skipping school each and every year. Unfortunately not many individuals are aware of allergies and the precise cause responsible for allergies.An allergic reaction is simply a process by which our immune system overreacts to particular foreign materials once they come into physical contact. An allergic reaction is usually of different types such as food allergies, drug allergies, insect sting allergy as well as others. These kind of allergies can be acquired and also may develop quickly in a man or woman. Let us examine at some of the causes and symptoms of allergies.Factors That Cause AllergiesThere’s no precise reason for allergies. Almost any substance may lead to an allergy in an individual that is normally susceptible to that exact substance. It’s possible to acquire an allergic reaction by simply inhaling or swallowing any sort of material that may possibly trigger your entire immune system to overreact and can produce an allergic response. Nevertheless, there are some risk factors which will raise the likelihood of producing an allergy. These kinds of variables are often split into two main types namely environmental factors and host factors.Allergy Variables:• Host factors: Many of these typically include genetic factors, heredity, age and ethnic background. From all of these, heredity is easily the most significant risk factor, which increases the probability of an individual to be able to develop an allergy. For example, if your own father and mother are actually allergic then you are also likely to become even more vulnerable to allergies.• Environmental factors: All of these mainly include direct exposure to diseases in the time of childhood, dietary adjustments, environmental pollution as well as others. The most common environmental factors that could possibly lead to allergies include breathing in of allergens (substances which often cause allergies) such as pollen, airborne dirt and dust, mold spores, dust mite waste, pet dander as well as others. These are additionally major factors behind someone producing respiratory allergies.Viral attacks and pregnancy (via the mother to fetus) tend to be in addition a few of the risk factors that could make contributions towards the development of allergies. During being pregnant and viral infections the body’s defenses usually are usually decreased and weakened. During this case, a foreign body or an allergen has larger odds of assaulting the human body leading to over reaction by the immune system and leads to allergies. A number of drugs or dietary supplements may additionally produce allergies; hence it is preferable that you always consult with a medical doctor before using any sort of medicines.Symptoms of AllergiesMen and women who happen to be allergic may encounter specific symptoms which will may have an impact on the skin, respiratory system, gastrointestinal system and in extreme cases also can affect the heart. These symptoms are completely different in various types of allergies.• Symptoms of respiratory allergies: The respiratory symptoms of allergies primarily include things like runny nose, sneezing and nasal congestion. In really serious situations, someone may possibly also experience shortness of breath, wheezing and coughing.• Symptoms of food allergies: A difficult time in swallowing, itching in the mouth, queasiness, diarrhea, and throwing up are usually a few food allergies symptoms. On top of that, someone might in addition encounter stomach aches and perhaps irritation of the mouth, throat and lips as part of the food allergies symptoms.Aside from all these, allergies could also contribute to a variety of annoying symptoms like asthma and ear infections. An allergic woman/man may also encounter some different symptoms particularly skin associated symptoms which includes eczema and hives, headaches, a diminishment in smelling sensation and disruptions with sleep.