Sialadenitis swollen salivary gland sialadenitis refers to the inflammation of a salivary gland which produces saliva to aid in digestion the condition is most common among elderly adults and mostly affects the parotid and submandibular glands appointments 2164448500. Description sjogrens syndrome is a chronic autoimmune disease in which the bodys immune system attacks the salivary glands about 50 of people with sjogrens syndrome also have swollen parotid gland on both sides of the cheeks which is normally painless symptoms sjogrens syndrome causes parotid gland swelling dry eyes and a dry mouth. Inflammation of a salivary gland is known as sialadenitis and results in edematous swelling of the salivary gland it is commonly caused by infections it is commonly caused by infections non inflammatory swelling of a salivary glands in known as sialadenosis and is caused by hypertrophy enlargement of the acini and ductal atrophy shrinking. Having a lump or an area of swelling near your salivary gland is the most common sign of a salivary gland tumor but it doesnt mean you have cancer most salivary gland tumors are noncancerous benign many other noncancerous conditions may lead to a swollen salivary gland including an infection or a stone in a salivary gland duct