- Raynaud phenomenon
Raynaud's phenomenon causes color changes, coldness, tingling, and numbness in certain parts of the body.
- Cellulitis
Cellulitis, a bacterial infection of the skin, causes red, tender skin that is usually swollen and warm.
- Abscess
A skin abscess, or boil, is a swollen, painful, red and warm lump of skin that may rupture and drain pus.
- Allergic reaction
Allergic reaction causes sneezing, runny nose and hives and can lead to anaphylaxis, a whole body reaction.
- Angioedema
Angioedema is swelling under the skin often appearing around the eyes and lips.
- Cold exposure
Cold exposure symptoms include color changes on the skin, numbness, stinging, redness, blisters, and more.
- Water retention
Water retention occurs fluid builds up in the body's tissues, causing parts of the body to become swollen.
- Insect bites
Redness, swelling, pain, itching, bumps are common symptoms of insect bites.
- Insect sting
An insect sting may be followed by redness, swelling, and itching.
- Scleroderma
Scleroderma is an uncommon immune disorder that causes collagen to build up in the tissue, making it harden.
- Glomerulonephritis
Glomerulonephritis is a type of kidney disease and causes swelling, abnormal urine, fever, achiness, and more.
- Poison ivy, oak, and sumac
The toxin found in poison ivy, oak, and sumac causes an itchy, allergic rash with raised welts and blisters.
- Rheumatoid arthritis
Rheumatoid arthritis is an autoimmune disease that causes pain, swelling, and joint damage.
- Osteomyelitis (bone infection)
Osteomyelitis is an infection of a bone that causes pain, swelling, and redness.
- Burn (heat or fire)
Burns caused by heat are called thermal burns and can cause pain swelling, skin changes, blisters and more.
- Chemical burns
A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath.
- CREST syndrome
CREST syndrome is a rare autoimmune disease that causes tissues to harden throughout the body.
- Chagas disease
Chagas disease is caused by a tropical parasite and can cause fever, ill feeling, and swelling around the eye.
