Raised Skin Bumps: Pictures, Types, Causes, and Treatment Causes for bumps and lumps on the back of your neck vary. They may also be caused by a branchial cleft cyst or thyroid nodules. Swollen bumps that cause pain and appear suddenly often occur because of an infection or injury. Lump on neck: Causes and pictures The skin on the back of the neck by the hairline comes into contact with many things that can irritate it, including shampoo, residual detergent on clothing, sweat, and hair care products. Boils can cause lumps to form under the surface of the skin.
Jul 0 20All sorts of lumps and bumps can come from the skin on your neck, including: Acne with boils or carbuncles.
Neck Lump: Pictures, Causes, Associated Symptoms, and More Neck lumps might also be caused by lipomas, which develop under the skin. As with so many things, when it comes to neck pain, an ounce of prevention may be worth a pound of cure.