Comprehending and Managing Submandibular Gland Swelling

July 1, 2025 | 3 min read
Our salivary glands play a crucial role in our daily lives, assisting with chewing, swallowing, speaking, and even protecting our teeth. Among these, the submandibular glands, located on either side of the lower jaw, are vital. They produce saliva rich in enzymes for food breakdown and minerals that guard against tooth enamel damage. When these glands swell, it can be a clear sign that something is amiss, quickly bringing them to our attention. The most frequent culprit behind a swollen submandibular gland is a salivary stone, a condition known as sialolithiasis. These tiny stones form from salts in saliva, particularly when a person is dehydrated. When a stone blocks the duct that channels saliva into the mouth, it can lead to pain and noticeable swelling. While the exact reason for their formation isn't always clear, they've been linked to conditions like liver disease and gout. Sialolithiasis is the most common salivary gland disease, with the submandibular gland being affected in the vast majority of cases (83%). Beyond stones, salivary gland infections can also cause swelling, often accompanied by redness and pus. These infections can sometimes arise as a complication of a blocked duct. In rarer instances, a tumor, either cancerous or noncancerous, may be the cause of swelling. Tumors tend to feel firmer than infection-related swelling; cancerous tumors are typically very hard and fixed to the gland, while noncancerous ones might be movable. If you notice any swelling under your lower jaw, it's crucial to consult your dentist for an accurate diagnosis and a personalized treatment plan. Thankfully, most causes of submandibular gland swelling are treatable. For salivary stones, early intervention can prevent infections. Increasing saliva production by staying well-hydrated and chewing sugar-free gum can help dislodge smaller stones. Gently massaging the area may also be beneficial. If home remedies aren't enough, a dentist or doctor might be able to manually push or extract the stone. In rare, persistent cases, surgical removal may be necessary. For those prone to salivary gland stones due to underlying health conditions, treating those conditions can also reduce stone formation. If an infection is present, antibiotics are typically prescribed, and any abscesses may need to be drained. Swelling caused by a tumor generally requires surgical removal, with cancerous tumors needing urgent attention and ongoing monitoring. To alleviate discomfort, applying a warm compress to the affected area and rinsing with salt water can provide relief. Preventing submandibular gland swelling largely involves maintaining good oral hygiene to minimize mouth bacteria. Staying hydrated is key, and avoiding smoking and chewing tobacco can also reduce the risk of mouth infections that contribute to gland issues. While many causes of submandibular gland swelling are easily treatable, always seek professional medical advice for proper diagnosis and care.

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