- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Cellulitis
Cellulitis, a bacterial infection of the skin, causes red, tender skin that is usually swollen and warm.
- Blood clot in the legs
Blood clots in the leg can become very dangerous, symptoms include swelling, redness, tenderness in the leg.
- Muscle strain
Muscle strain occurs when muscles are stressed, overworked, or injured due to physical activity or labor.
- Tendinitis
Tendinitis symptoms include muscle and tendon pain or stiffness close to a joint, and pain with movement.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Hematoma
A hematoma is a collection of blood in the tissue outside of a damaged blood vessel, usually after an injury.
- Broken (fractured) upper leg
Symptoms of a broken thigh bone include severe pain, inability to move the leg, deformity, and swelling.
- Phlebitis
Phlebitis means inflammation of the veins, and can cause redness, itching, irritation, pain, and swelling.
- Bruise or contusion
Bruises, or contusions, cause skin discoloration, swelling and tenderness.
- Benign lipoma
Lipomas are a harmless collection of fatty cells that form a round or oval, rubbery lump under the skin.
- Epidermal (sebaceous) cyst
Epidermal (sebaceous) cysts are painless, moveable lumps that form beneath the skin's surface.