- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Nipple stimulation
Nipple stimulation can cause red, irritated, hard or erect, and sensitive nipples, and even discharge.
- Nipple irritation
Nipple irritation may cause nipple pain, redness, skin dryness and cracking, and bleeding around the nipple.
- Phlebitis
Phlebitis means inflammation of the veins, and can cause redness, itching, irritation, pain, and swelling.
- Sporotrichosis
Sporotrichosis is a fungal infection that can cause painless bumps on the fingers, hands, and arms.
- Lyme disease
Lyme disease is a bacterial infection spread through tick bites; symptoms include rash, fever chills, and more.
- Trauma or injury
Trauma most often refers to serious bodily injury or wounds symptoms range depending on the injury.
- Benign lipoma
Lipomas are a harmless collection of fatty cells that form a round or oval, rubbery lump under the skin.
- Mastitis (infectious)
Mastitis, an infection of the breast, causes pain or swelling of the breast, fever, and flu-like symptoms.
- Puberty
Puberty is the time when a young person becomes sexually mature.
- Swollen glands
Located throughout the body, lymph nodes often swell and become tender when fighting an infection.
- Anthrax (skin)
Anthrax is a deadly bacterial infection that causes symptoms such as blisters and swelling.
- Cat-scratch disease
Cat scratch disease is a bacterial infection caused by a cat scratch or bite.
- Plague
Plague is a rare but deadly bacterial infection causing fever, vomiting, seizures, organ failure, and more.
- Lymphoma
Lymphoma is a cancer of the lymphatic system and can cause lymph node swelling, weight loss, fatigue, and more.
- Epidermal (sebaceous) cyst
Epidermal (sebaceous) cysts are painless, moveable lumps that form beneath the skin's surface.
