The short answer is yes, because the symptoms you describe point to what’s called lymphatic congestion, a condition in which the lymphatic system fails to drain properly, allowing toxins and cellular waste products to accumulate in the body.ellness expert Carrie Demers, MD, answers your questions about lymphatic congestion, offering 5 ways you can detox your body and boost your immunity along the way. May 17, 2013 BY Carrie Demers. I’ve had a sore throat on and off for almost a year, and the glands in my neck and under my jaw are often swollen.