Simply put, allergies or allergic reactions are abnormal immune system responses to certain stimulus, such as dust or food ingredients.  The immune system functions to protect the entire body against all forms of infections and threats.  But unfortunately, there are exceptional circumstances under which the immune system can easily malfunction.  A significant number of people who develop allergies have some form of disorders in their immune response that causes the system to react to some beneficial substances as if they were harmful to the body.

Then keep in mind that there are several allergic reactions. There are respiratory allergies, food allergies, insect bite allergies and contact allergies. Their home remedies differ depending on the intensity of the allergic reaction. Of all these allergies, food allergies are the most common. The allergies vary from mild allergic reactions to life threatening allergic reactions.  If you have a food allergy, then avoid the food or the ingredient that cases the allergy. This may sound as a cliché to so many people but even the life threatening allergic reactions always start as mild allergies then they gradually progress into severe allergic reactions.

Castor oil is one of the best allergies home remedies. Just five drops of castor oil to half a cup of water, any vegetable or fruit juice consumed on an empty stomach every morning is enough to get rid of several allergies. The most common forms of allergies that this home remedy is good for include respiratory allergies, contact allergies and food allergies. Researchers have  found out  that just five drops or even less of castor oil added to half a cup of water or any vegetable or fruit juice, if consumed regularly on an empty stomach preferably each morning, can be extremely beneficial for several allergic reactions that affect the skin, intestinal tract and even the nasal passages.

Lime is yet another effective allergies home remedy.  Just squeeze half a lemon into a glass or mug of lukewarm water and sweeten it with one teaspoon of honey. Then take it first thing in the morning before you eat or drink anything. Stick to this home remedy for about a month and you will notice some positive change.

For respiratory allergies, the famous Chinese ginko biloba should be considered. It is good for most respiratory allergies like asthma. It is rich in antihistamines and even anti inflammatory chemicals that can go a long way in fighting different allergies.  It is also rich in properties that can help the platelets in your blood to function well. As such, it can be a good home remedy for blood disorders. When taking ginseng supplements do not forget to read the instruction pack and follow everything therein to the latter.