Cancer, certain viral or bacterial infections and autoimmune diseases may cause a lump on the back of the neck, notes Healthline. A neck lump may also occur due to an injury or torticollis. These factors result in the en... More »

The cause of a small lump on the right side of an individual's neck right underneath their jaw is likely a swollen lymph node, according to WebMD. In most situations, swollen lymph nodes are not a cause for concern and t... More » Health

Lumps under the skin can have a variety of causes, including lipomas, enlarged lymph glands, boils, neurofibromas, dermatofibromas and some cancers such as keratoacanthoma, according to WebMD and For exampl... More »

The tender points associated with fibromyalgia are found on both sides of the back of the head, neck, upper chest and hips; at the top of each shoulder; and on each shoulder blade, explains Healthline. Outside of each el... More » Health Conditions & Diseases

MedlinePlus cites normal wear and tear on bone joints, viral or bacterial infections, injuries and autoimmune diseases as common causes of arthritis. Osteoarthritis is the most common type, and it is caused by joint wear... More » Health Conditions & Diseases

A throat nodule is a growth or lump that occurs in the thyroid gland in the front of the neck, according to WebMD. Throat nodules are usually not cancerous, and many do not need treatment. Thyroid nodules are common with... More » Health Conditions & Diseases

Symptoms of acute thyroiditis include rapid onset of tenderness and pain on one side of the neck, chills, fever and a movable lump on the neck, according to If a person experiences these symptoms, it is import... More » Health Conditions & Diseases