Symptoms of blocked salivary glands usually begin with pain and swelling, according to WebMD. The pain is usually off and on, worsens over time, and only affects one gland. Infection is likely if the blockage isn't clear... More »

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Blocked salivary gland ducts are caused by salivary stones, infections, cysts and tumors. Issues arise when salivary glands are blocked, causing problems with swallowing, lubricating the mouth, digestion and bacterial in... More »

Swollen glands under the tongue can indicate a viral or bacterial infection of the sublingual gland, according to MedlinePlus. Such infections are quite common and can be a result of poor hygiene, blocked salivary ducts,... More »

Symptoms of mastoiditis include ear drainage, fever, pain, irritability and lethargy, according to WebMD. Other symptoms include swelling, tenderness and redness of the ear lobe and behind the ear. More »

www.reference.com Health Conditions & Diseases

Symptoms of necrosis include bone pain when applying pressure or weight, bone and joint collapse, and pain that prevents using the affected joint, according to WebMD. In its early stages, no symptoms may be present at al... More »

www.reference.com Health Conditions & Diseases

Symptoms of cervical spinal stenosis may include stiffness, numbness, pain or weakness affecting the neck, shoulders, arms, legs or hands, as stated by WebMD. Additional symptoms may include clumsiness of the hands, coor... More »

Symptoms of sciatica include shooting pain, tingling or burning sensation felt down a leg, pain in the buttocks or a leg that worsens upon sitting, continual buttock pain, and numbness or weakness in a leg or the buttock... More »