Adenoids are the tissues, which are positioned at the top in the mouth, that produce the antibodies and also drains the harmful germs from the body. But these adenoids sometimes gets affected by the bacteria and becomes inflamed and swollen, which results in adenoiditis disease that causes breathing problems and also lead to chronic respiratory diseases. There are different symptoms of the adenoiditis, such as close nose, sore throat, swollen glands in the neck, ear pain and nasal congestion. To check the adenoids, the doctors use a special instrument with a light and in some cases, X-rays will be more effective for detailed and clear picture.