Although less commonly a problem in adults, some adults can receive excellent resolution of snoring through removal of enlarged tonsils and/or adenoids. Jan 21, · We all are familiar with tonsils, but there is a tonsil-like lymphoid tissue on the back of the throat, called adenoids. Swollen adenoids in adults can cause severe discomfort and lead to various health problems. WebMD explains causes and treatment of adenoiditis, an infection that can cause respiratory infections and breathing problems. Enlarged and inflamed adenoids.