“`html Persistent Submandibular Lymph Node Swelling Persistent Submandibular Lymph Node Swelling Submandibular lymph node swelling that doesn’t subside can be attributed to a variety of factors. This swelling might be a normal response to certain stimuli or a symptom of an underlying condition. Here are some possible scenarios: Infection When there is a persistent or recurrent infection in the area surrounding the submandibular lymph nodes, the nodes may remain swollen. In such cases, controlling the infection is crucial. Chronic Inflammation Certain chronic inflammatory conditions can also lead to long-term swelling of the submandibular lymph nodes. Treating these underlying diseases can... Learn more