These are influencing to inflame of the sinus membranes. The main reason for sinusitis is blockade of the sinuses drainage openings and all this with collected bacteria, make great "ground for breeding" for themselves. Allergy- What is It? Allergy is defined as results of hypersensitive immune system, which is cause of entering of foreign substance, because of the mistake and wrong think of immune system that this substance is harmful to the body, so it starts with attack, providing antibodies for combat it. Still, there are no medical treatments such as drugs for treating food allergies, but one that may be used is epinephrine, also known as adrenaline, which is medical solution for the most difficult cases of allergy reactions. The most usually allergies reactions on food are for food such as: fish, shellfish, peanuts and nuts. Allergy Relief The number of the people who are suffering of the allergy in the USA is in increasing. Nowadays, there are about 44 million people in USA who are suffering from this. There are several natural factors which may cause allergy, so some of them are dust, pollen, mold as external factors which your body may comes in contact such as chemicals in food or food, dust mites or other. These hypo-allergenic breeds are also known as low allergy dogs and allergy friendly dogs. Still, there are and tips which you may follow for properly controlling of your environment with the dogs: Try to avoid keeping dog near of your bedroom or even bed Use HEPA filter in all places of your home Use electrostatic filters for cleaning air in your home If you have carpets you should to free of them, especially if your dog is in home. Allergy may be defined as condition in which immune system react to the foreign substances which are not harmful and as results of it immune system makes antibodies that lead to the symptoms which are related as allergies, such as difficult breathing, itchiness, swelling, etc. One of the useful option as prevention to the allergies is to use product related as allergies, created to help people for avoiding symptoms of allergy. But, also there are and other side, that says that allergies are something which is developing during the time and also disappear during the time. The fact is that there are several factors which are influence on triggering of the body to respond on allergy symptoms. There are more allergens that triggering body to react, but the most common allergens are pollen from trees, grass and weeds.