Ad
related to: skin redness when touched by light meaning youtube
Search results
Results from the WOW.Com Content Network
The skin response resembles an exaggerated sunburn. The involved chemical may enter into the skin by topical administration, or it may reach the skin via systemic circulation following ingestion or parenteral administration. The chemical needs to be "photoactive," which means that when it absorbs light, the absorbed energy produces molecular ...
Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure.
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 ...
We talk to skin care experts about skin redness, finding out the various causes and what we can do to alleviate it. Plus, products to shop.
There are many causes of red, itchy, swollen patches of skin, including allergies, burns, and infections. Here are photos to help you identify what you have.
Photosensitivity is the amount to which an object reacts upon receiving photons, especially visible light.In medicine, the term is principally used for abnormal reactions of the skin, and two types are distinguished, photoallergy and phototoxicity.
Phytophotodermatitis, also known as berloque dermatitis, [1] [2] [3] margarita photodermatitis, [4] [5] lime disease [6] or lime phytodermatitis [6] is a cutaneous phototoxic inflammatory reaction resulting from contact with a light-sensitizing botanical agent (such as lime juice) followed by exposure to ultraviolet A (UV-A) light (from the sun, for instance).
The triple response is caused by firm stroking of the skin with a pointed object. [5] but some time at caused by capillary vasodilation. [citation needed] The triple response of Lewis is particularly sensitive in people with dermatographia urticaria. [4] [5] Some form of dermatographia is present in around 5% of the population. [4]
Ad
related to: skin redness when touched by light meaning youtube