Search results
Results from the WOW.Com Content Network
A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]
Angioedema is a reaction that causes swelling beneath the skin and often affects the lips or eyes. It can be triggered by an allergy or infection and is sometimes accompanied by hives.
A severe allergic reaction may come with a hive-like rash, swelling and inflammation of the bite area and swelling around the eyes, the Mayo Clinic says. Bee and wasp stings Two bee stings on the ...
Ringworm. What it looks like: Ringworm is a common skin infection caused by a fungus. It gets its name from its circular rash, which is often red, swollen, and cracked. Other symptoms to note ...
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
Erysipelas (/ ˌ ɛ r ə ˈ s ɪ p ə l ə s /) is a relatively common bacterial infection of the superficial layer of the skin (upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, typically on the face or legs, but which can occur anywhere on the skin.
Scalp psoriasis is an inflammatory and chronic autoimmune disease and is a common cause of scalp scabs and discolored patches of skin on and around the scalp. It can also affect other parts of the ...
Scarring caused by acne (left), and photo one day after scar revision surgery: The area around sutures is still swollen from surgery. Scar revision is a process of cutting the scar tissue out. After the excision, the new wound is usually closed up to heal by primary intention , instead of secondary intention .