- Bruise or contusion
Bruises, or contusions, cause skin discoloration, swelling and tenderness.
- Hematoma
A hematoma is a collection of blood in the tissue outside of a damaged blood vessel, usually after an injury.
- Trauma or injury
Trauma most often refers to serious bodily injury or wounds symptoms range depending on the injury.
- Raynaud phenomenon
Raynaud's phenomenon causes color changes, coldness, tingling, and numbness in certain parts of the body.
- Skier's thumb
Skier's thumb is an injury to a ligament in the thumb causing thumb pain, swelling, tenderness, and more.
- Acrocyanosis
Symptoms of acrocyanosis include blue mottled skin of the hands and feet, cold hands, cold feet, and more.
- Cold exposure
Cold exposure symptoms include color changes on the skin, numbness, stinging, redness, blisters, and more.
- Thrombocytopenia
Thrombocytopenia causes bruising, frequent nosebleeds, and tiny red dots that look like a rash.
- Frostbite
Frostbite happens when the skin and the tissue freezes, causing pins and needles, numbness, and pain.
- CREST syndrome
CREST syndrome is a rare autoimmune disease that causes tissues to harden throughout the body.